… Essential Chemistry Teacher Lab Manual. Again, record observations in the data table. filtration, evaporation, distillation or chromatography. It is up to you to decide what else you would like to do to it. It is also a good introduction to the different lab equipment that they will be using through out the year. Pure substances. Placethe items presented in the correct category. Pure Substances and Mixtures! They will learn pure substances, compounds, elements, heterogeneous and homogeneous mixtures, solutions, and suspensions. Elements and compounds are both examples of pure substances. Untitled. This is a simple one-hour lab allowing students to create mixtures and compare their properties to the properties of pure substances. They differ from mixtures, which are a combination of multiple types of atoms or molecules that are not chemically combined. Chemists can classify matter as solid, liquid, or gas. Procedure. Put the magnet inside the plastic bag (so that any particles attracted to the magnet can be easily removed). They’ll also use magnets to separate iron fi Pure Substances and Mixtures! A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Name: _____ Date: _____ Per: _____ Matter Lab for Remote Learners Adapted from the Matter Lab Introduction: Matter is divided into 2 categories, pure substances and mixtures. Welcome to Virtual Labs - A MHRD Govt of india Initiative. Record your findings in the data table. Click edit button to change this text. name one thing that is not matter: pure substances and mixtures are 2 types of this Phases of matter, mixtures and pure substances, chemical and physical change, temperature as a measure of average kinetic energy States of Matter Phases of matter, physical change Density (above) Properties of matter: density, mass, volume ... Beer’s Law Lab (above) Solutions, solubility Membrane Channels (above) Diffusion, osmosis. Pure substances are made up of a single element. How can the physical characteristics of a mixture be used to separate individual, pure substances? Finally, we will investigate how we can use this knowledge to make informed decisions about water systems in our town. How does Iron react in presence of a magnet? Pure Substances: Mixtures: It cannot be broken down or separated into new products. To separate the water and salt from the remains of our bucket we use distillation (evaporating the water and then condensing it into another container). Preview Download. Example: Boiling and Melting point, density, etc. Supports NGSS Science and Engineering Practice 3: Planning and Carrying Out Investigations. This is a simple one-hour lab allowing students to create mixtures and compare their properties to the properties of pure substances. color, state of the matter, odor, magnetism, etc. View All Experiments; View Product Detail; Follow Us. A pure substance is made up of one type of particle. This is a type of mixture that is mixed evenly. Be sure to include 3 observations of the substance, and a … The classification of matter. To separate the sand from our bucket of sea water, we use filtration.Water boils at around 100 degrees celsius, salt doesn’t. They’ll also use magnets to separate iron fi Station - 6 Salt Water Form ula - NaCl + H 2O a) Is the salt a mixture or pure substance? Pure Substances and Mixtures No teams 1 team 2 teams 3 teams 4 teams 5 teams 6 teams 7 teams 8 teams 9 teams 10 teams Custom Press F11 Select menu option View > Enter Fullscreen for full-screen mode This is a type of mixture that is mixed evenly. Due: With Binder: You are required to make a title page for the start of this unit. Pure substances: made up of a single component (a single type of atom or a single type of molecule) Mixtures: made up of several components. True/False Questions a. PhET Interactive Simulations Chemistry … Learning Outcomes. Remove the paper and sulfur powder from the balance. This is a type of mixture that is physically separated and not mixed evenly. homogeneous mixture: A mixture that has the same uniform appearance and composition throughout its mass. eg. On heating the reaction mixture, the sulfur melts and reacts with the iron exothermically to form iron(II) sulfide. Mixtures are physical combinations of two or more elements and/or compounds. Record all observations in the data table. But there are other ways to classify matter, as well — such as pure substances and mixtures. However, this is not always successful. Mixtures … b) Is this an example of an element or a compound? name one thing that is not matter: pure substances and mixtures are 2 types of this PASCO sensors have been used at the top of at least 2 of the 7 highest summits on earth—Kilimanjaro (Africa) and Vinson Massif (Antarctica). Remove the paper and sulfur powder from the balance. Untitled substances vs mixtures unit 1 packet matter answers chemistry: classifying name material pure substance or mixture element compound homogeneous he. A mixture is a combination of two substances or elements. This experiment involved filtering a variety of substances and making observations throughout the process. chemically. 10101 Foothills Boulevard Record all observations in the data table. matter substances vs mixtures matter substances vs mixtures quizlet matter pure substances vs mixtures matter substance and mixture matter pure substances and mixtures examples. Some pure substances occur naturally, such as water, oxygen, and sugar. when 2 or more pure substances are mixed together. Use the hand lens to help you observe properties of the sulfur (color and size and shape of the particles). Often, differences in the physical properties of the components in a mixture provide the means for separating them. It may be sensible to get the students to place all their used reaction tubes onto one heat resistant mat set aside for this purpose (e.g. Move the test tube around in the flame to make sure all of the contents are getting heated evenly. STUDY. Chemical and Material Behaviour. Student acquires skill to distinguish a mixture of Fe & S and compound of Fe & S (FeS) by observing: Appearance The mineral wool plug in the mouth of the test-tube prevents sulfur vapour escaping and possibly catching fire. They differ from mixtures, which are a combination of multiple types of atoms or molecules that are not chemically combined. Mix the two powders by pouring repeatedly from one piece of paper to the other until a homogeneous mixture (by appearance) is obtained. Often, differences in the physical properties of the components in a mixture provide the means for separating them. (Have your teacher check it if necessary. Place a piece of paper on the balance and observe its mass. They can be identified by their intensive properties. components of a mixture are not _____ combined. Different mixtures of the same substances can have different compositions (i.e., a mixture of water and sodium chloride may be 80% water and … Supports NGSS Science and Engineering Practice 3: Planning and Carrying Out Investigations. How can the physical characteristics of a mixture be used to separate individual, pure substances? Modular Circuits, Projectiles, Photogates, and more. Name: _____ Date: _____ Per: _____ Matter Lab for Remote Learners Adapted from the Matter Lab Introduction: Matter is divided into 2 categories, pure substances and mixtures. Then, rotate through the stations, identifying each substance as an element, compound, or mixture. I can differentiate between pure substances and mixtures in common use and can select appropriate physical methods for separating mixtures into their components. Mixtures can be classified as homogeneous or heterogeneous. An element is a pure substance as it cannot be broken down or transformed into a new substance even by using some physical or chemical means. See our collection of product guides. Constant physical and chemical properties. Learning goals. This is a lab that is designed to have students write a lab procedure and separate out mixture of substances with different properties. Pure substances are further divided into elements and compounds. Materials- Properties and Uses of Substances. filtration. Identification Lab- Mixtures & Pure Substances Name Date Period Station 1- Aluminum Staples Formula- Al a) Is this station a mixture or a pure substance? Propose methods for separating … Finally, we will investigate how we can use this knowledge to make informed decisions about water systems in our town. It can be separated using different separation methods. different boiling points; used to separate alcohol from water. ability of a substance to adhere to a surface & separate ink. Student acquires skill to distinguish a mixture of Fe & S and compound of Fe & S (FeS) by observing: Appearance Ut elit telctus nec ullamcorper matti, A2 Transition Elements Complexes and Equilibria, AS Volumetric Analysis 1-Preparation of a standard solution of NaOH, AS- Finding the molar mass of a volatile liquid, AS Enthalpy Change of a Displacement Reaction, AS Enthalpy Change of Combustion of Fuels, AS Experimental Determination of the Gas Constant, AS Qualitative Analysis – Ions Recognition, AS Amount of Substance # 6 More complex calculations, The Air Up There – Making Space Breathable, IGCSE CH 2 Mixtures-Separation Methods – Vocabulary, Matter Notes #3 Pure Substances and Mixtures, IGCSE BONDING DRY LAB – Bears and Penguins, Precipitation Reactions – Testing for Ions, Empirical and Molecular Formula Exercises, How to knit with two yarns at the same time, https://school.goodlessons.online/wp-content/uploads/Unorganized/exciting-elements.mp4. different boiling points; used to separate alcohol from water. Elements are mostly metals, non-metals or metalloids. Mixtures are divided into heterogeneous and homogeneous. Assigned: Dec 6th. 03.06 Mixtures and Pure Substances Guided Notes Objectives: In the lesson you will: explain the differences between pure substances, A pure substance is a substance that cannot be separated by physical means. ability of a substance to adhere to a surface & separate ink. ... Their main objective is to separate as much of the pure substances as possible. Phases of matter, mixtures and pure substances, chemical and physical change, temperature as a measure of average kinetic energy States of Matter Phases of matter, physical change Density (above) Properties of matter: density, mass, volume ... Beer’s Law Lab (above) Solutions, solubility Membrane Channels (above) Diffusion, osmosis. Light the Bunsen burner and make sure you get a nice flame. 5.1. Separation of Mixtures Lab Report. It is up to you to decide what else you would like to do to it. Example: Boiling and Melting point, density, etc. Students understand the terms ‘Mixture’ and ‘Compound’. … This is the state of matter that ice is in. This unit, we will be looking at how pure substances and mixtures can impact matter, society and the environment. What physical properties of Sulfur can you observe? One of the largest distinctions is between pure substances and mixtures. Examples of pure substances include water, gold, glucose, carbon dioxide, oxygen and hydrogen. You need to … b Note the appearance of the pure elements and the mixture. Examples of pure substances include water, gold, glucose, carbon dioxide, oxygen and hydrogen. chromatography. It has been suggested that using a very weak magnet is advisable. Within the category of mixtures, it is possible to distinguish between homogeneous and heterogeneous mixtures. (after heating). All the resources can be used in PPT format (editable), PDF (not editable; only printable) and in Google ClassroomTM using Google DriveTM (not editable; … PASCO Live streaming bi-weekly on Facebook & YouTube ». Heterogeneous alphabet soup Pure substance salt Heterogeneous concrete Homogeneous vegetable oil Homogeneous air Heterogeneous paint Heterogeneous granite Pure substance sugar 2. Newsletters, Video, and Social … separate from solid to liquid; slow; particle size. They’ll also use magnets to separate iron fi Welcome to Virtual Labs - A MHRD Govt of india Initiative. If it is a mixture, be sure to include whether it is homogeneous or heterogeneous. A pure substance is made up of one type of particle. Drinking water can only be obtained … PASCO sensors are used by Olympic training facilities in several countries in gymnastics, weight lifting, bobsledding and more! A mixture is composed of more than one element and / or compound. Northern Ireland. color, state of the matter, odor, magnetism, etc. Salt is soluble in water and sand isn’t. element: A substance consisting one type of atom. They can be identified by their intensive properties. Others, like nylon, are synthetic. That is, the absorbance at any wavelength of a mixture is equal to the sum of the absorbance values of each component in the mixture at that wavelength. Do this by weighing out 7 g of iron powder and 4 g of finely powdered sulfur onto separate pieces of filter paper (or use weighing boats). But there are other ways to classify matter, as well — such as pure substances and mixtures. Place a new piece of paper on the balance and scoop out 5 g of iron powder. Station - 6 Salt Water Form ula - NaCl + H 2O a) Is the salt a mixture or pure substance? Do this by wrapping the end of a small bar magnet in a paper tissue or cling film, and dipping it into a teaspoon-sized heap of the mixture on a watch glass. Pure substances are further classified as elements and compounds. Toggle navigation HOME PARTNERS CONTACT Chemical Sciences ... of light by two or more compounds at the same wavelength is additive. Then, rotate through the stations, identifying each substance as an element, compound, or mixture. Class practical. Recognise homogeneous mixtures and examine them to identify the solute and solvent. Most Heterogeneous mixtures are usually easy to identify, but many times it is … Pure Substances And Mixtures Worksheet Answers. Mixtures are divided into heterogeneous and homogeneous. How does sulfur react in the presence of a magnet? In … How can the physical characteristics of a mixture be used to separate individual, pure substances? Procedure. Repeat steps 2 and 3 for the mixture of iron and sulfur particles. Over the course of the unit, we will learn how to classify substances and to separate mixtures. What is the chemical symbol for iron sulfide? Set up the lab using the materials listed below for … Classification is one of the basic processes in science. Heat until an orange glow is seen inside the test-tube. mixture. matter substances vs mixtures matter substances vs mixtures quizlet matter pure substances vs mixtures matter substance and mixture matter pure substances and mixtures examples. filtration, evaporation, distillation or chromatography. Nupoor Matieda October 10, 2014 PD 9/10 Lab Report Separation of a Mixture of Sand and Salt Goal(s): To separate a mixture of sand and salt and to find the percent of each component by mass of each mixture Background Theory: A mixture is a combination of two or more pure substances in which each pure substance retains its individual chemical properties. STUDY. what are the properties of Iron Sulfide you can observe? Use the hand lens and the magnet to repeat steps 2 and 3 with the iron powder. h  It may be possible to show that the product, iron(II) sulfide is non-magnetic. when 2 or more pure substances are mixed together. Use the scoop to mix them up and make sure that the particles are evenly distributed. Different mixtures of the same substances can have different compositions (i.e., a mixture of water and sodium chloride may be 80% water and … compound: A pure chemical substance consisting of two or more different chemical elements. Bunsen burners should then be turned off. Although see note h in the Procedure section. c) What state of matter is Station 1? separation of a mixture lab. Place a piece of paper on the balance and observe its mass. Summary: Today was the last day of our study of elements, compounds, and mixtures. Chemists can classify matter as solid, liquid, or gas. Others, like nylon, are synthetic. This is a measure of the ability of a substance to dissolve in another substance. This chemistry video tutorial focuses on pure substances and mixtures. This unit, we will be looking at how pure substances and mixtures can impact matter, society and the environment. … Elements, compounds and mixtures Pure Substances and Mixtures Title Page. Supports NGSS Science and Engineering Practice 3: Planning and Carrying Out Investigations. They will learn pure substances, compounds, elements, heterogeneous and homogeneous mixtures, solutions, and suspensions. Students understand the terms ‘Mixture’ and ‘Compound’. The page must have the words "Pure Substances and Mixtures" on it and at least four relevant pictures. Over the course of the unit, we will learn how to classify substances and to separate mixtures. Pure Substances and Mixtures Title Page. If any particles are attracted to the magnet, hold the particles over the paper and carefully remove the magnet from the plastic bag so that the particles will fall back onto the paper. b) Is th e salt water a … PhET Interactive Simulations Chemistry … Chemists need to work with pure substances, but naturally, occurring materials are seldom pure. Heterogeneous mixtures: Heterogeneous mixtures consist of different substances. In … PLAY. Mix It Up Lab Experiments (3 Periods) Lesson #10: Pure Substances: Lesson #11: Particle Theory: Lesson #12: Filtration: Lesson #13: Review: Lesson #14: Dissolving: Lesson #15: Water as a Solvent: ... Mixtures Lab Write-up. The test-tube can be broken open using a pestle and mortar. Summary: Today was the last day of our study of elements, compounds, and mixtures. A mixture may be a solid, liquid, gas, or some … Examples: mixture of iron and sulphur, mixture of sand and table salt, etc. Clamp the test-tube as shown in the diagram. Mixtures … Homogeneous or heterogeneous mixtures practice worksheet and substances worksheets classification of matter: pure ws classifying matter (answers) by good science If it is a mixture, be sure to include whether it is homogeneous or heterogeneous. Identify each of the following substances as pure substances, heterogeneous mixtures, or homogeneous mixtures. Browse great deals on legacy and discounted products while supplies last. What physical properties of Iron can you observe? Substances made up of a single type of atom or molecule are called pure substances. Chemists need to work with pure substances, but naturally, occurring materials are seldom pure. How does the iron/sulfur mixture react in presence of a magnet? Recognise the homogenous nature of a solution and identify the solute ... concentrations in the lab. b Using suitable tongs or test-tube holders, the iron-sulfur mix in the tube should be heated until the mixture just starts to glow. All matter can be classified as either a pure substance or a mixture. a Prepare a mixture containing iron powder and sulfur powder in the ratio 7:4 by mass. Nupoor Matieda October 10, 2014 PD 9/10 Lab Report Separation of a Mixture of Sand and Salt Goal(s): To separate a mixture of sand and salt and to find the percent of each component by mass of each mixture Background Theory: A mixture is a combination of two or more pure substances in which each pure substance retains its individual chemical properties. Toggle navigation HOME PARTNERS CONTACT Chemical Sciences ... of light by two or more compounds at the same wavelength is additive. Compounds, on the other hand, are also pure substances when two or more elements are combined chemically in a fixed ratio. All the resources can be used in PPT format (editable), PDF (not editable; only printable) and in Google ClassroomTM using Google DriveTM (not editable; … Pure substances A […] b) Is this an example of an element or a compound? Preview Download. To determine the properties of pure substances, mixtures and compounds, Iron (II) sulfide compound A mixture may be a solid, liquid, gas, or some … Assigned: Dec 5th. Homogeneous or heterogeneous mixtures practice worksheet and substances worksheets classification of matter: pure ws classifying matter (answers) by good science Pure substances (or just substances) are homogeneous (that is, the same throughout) and have a definite composition, which means they have simple whole number ratios (by mass) between elements that make them up. A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. You need to … Repeat steps 2 and 3 for the compound that was made from the sulfur and iron powders. heterogeneous mixture: A mixture that consists of visibly different substances or phases. Identification Lab- Mixtures & Pure Substances Name Date Period Station 1- Aluminum Staples Formula- Al a) Is this station a mixture or a pure substance? To separate two substances there needs to be a difference in one of their properties. 03.06 Mixtures and Pure Substances Guided Notes Objectives: In the lesson you will: explain the differences between pure substances, Students understand the terms ‘Mixture’ and ‘Compound’. View All Experiments; View Product Detail; Follow Us. Heterogeneous mixtures: Heterogeneous mixtures consist of different substances. Assigned: Dec 5th. f Allow the tube to cool down. The cold water should cause the test tube to break. Untitled substances vs mixtures unit 1 packet matter answers chemistry: classifying name material pure substance or mixture element compound homogeneous he. Shut off the gas to the Bunsen burner and quickly place the test tube in the beaker. PDF (548.8 KB) This is a simple one-hour lab allowing students to create mixtures and compare their properties to the properties of pure substances. If, despite all precautions, the sulfur vapour does ignite, students must be trained to extinguish it by placing a damp rag firmly over the mouth of the tube. At this point the students could carry out their own small-scale version of the reaction. Pure substances A […] It is also a good introduction to the different lab equipment that they will be using through out the year. Compounds are pure substances that are made of more than one type of atom, and can be decomposed or broken down into its elements by chemical means. Pure substances. The iron will be attracted, but the sulfur remains on the watch glass. True/False Questions a. Learning Outcomes. SCN 3-16a. g Once cool, it is possible to break open the test-tube to show the appearance of the product, iron(II) sulfide. Learning Outcomes. Drinking water can only be obtained … Newsletters, Video, and Social … Most Heterogeneous mixtures are usually easy to identify, but many times it is … Learning Outcomes. Virtual Lab Archive March 20, 2019 Nasa Evidence of Climate Change March 5, 2019 Cell Organelle Game February 20, 2019 Photosynthesis/Cellular Respiration Virtual Lab January 20, 2019 Science Starter Explore December 16, 2018 Forensic Science December 7, 2018 Smore Website October 26, 2018 ... Chemistry: Pure Substances and Mixtures Separating Mixtures … This is the state of matter that ice is in. Pure Substances and Mixtures. Substances made up of a single type of atom or molecule are called pure substances. The signs that a chemical reaction occurs are: the glow, and the fact that a new substance (black iron sulfide) is formed which cannot be separated by using a magnet. Pure substances are the ones that have a definite composition, this means that if we take a sample from different zones in the substance, the properties will be the same. Pure substances and Mixtures. … Use the hand lens to help you observe properties of the sulfur (color and size and shape of the particles). Essential Chemistry Teacher Lab Manual. Mixtures have varying physical and chemical properties. Scoop out sulfur powder onto the paper until you have added 3 g of the powder. mixture. A mixture is composed of more than one element and / or compound. distillation. ... (30 pages), Task Cards (60) and Worksheets / Activities (6) suitable for virtual learning. separate from solid to liquid; slow; particle size. Immediately stop heating. Pure substances and Mixtures. Place a piece of paper on the balance and observe its mass. Let the students see that the glow continues and moves steadily through the mixture. chemically. Pure substances (or just substances) are homogeneous (that is, the same throughout) and have a definite composition, which means they have simple whole number ratios (by mass) between elements that make them up. Student acquires skill to distinguish a mixture of Fe & S and compound of Fe & S (FeS) by observing: Appearance It is advisable to wear protective gloves. ... Their main objective is to separate as much of the pure substances as possible. The page must have the words "Pure Substances and Mixtures" on it and at least four relevant pictures. Examples: mixture of iron and sulphur, mixture of sand and table salt, etc. filtration. Untitled. This is a measure of the ability of a substance to dissolve in another substance. They’ll also use magnets to separate iron fi Examples: mixture of iron and sulphur, mixture of sand and table salt, etc. They will learn pure substances, compounds, elements, heterogeneous and homogeneous mixtures, solutions, and suspensions. In other words, Beer … homogeneous mixture: A mixture that has the same uniform appearance and composition throughout its mass. Elements and compounds are both examples of pure substances. Continue this for approximately 2 minutes or until no more changes are occurring in the test tube. Lorem ipsum dolor sit amet, conse iscing elit. Learning goals. An element is a substance that consists of only one type or kind of atom. Mixture Separation Lab ... Background: The ability to separate and recover pure substances from mixtures is extremely important in scientific research and industry. PRINCIPLES OF CHEMISTRY LAB I Experiment 2 Separation Of Mixtures INTRODUCTION A mixture can simply be defined as a substance that is made up or consists of two or more elements and/or compounds that are physically combined but that have not reacted chemically to form new substances. Substances can be pure or impure. Classification is one of the basic processes in science. If the test tube does not break, call your teacher over and have her break it for you. Heterogeneous alphabet soup Pure substance salt Heterogeneous concrete Homogeneous vegetable oil Homogeneous air Heterogeneous paint Heterogeneous granite Pure substance sugar 2. Student acquires skill to distinguish a mixture of Fe & S and compound of Fe & S (FeS) by observing: Appearance Pure substances are further divided into elements and compounds. Be sure to include 3 observations of the substance, and a … Lab: Identifying Elements, Compounds, and Mixtures Directions: Read through the review chart below and answer the pre-lab questions. The classification of matter. Categorise substances into pure substances and mixtures. Separation of Mixtures Lab Report. Keep the sulfur powder on the paper and place it to the side. c Place about 2 g of the mixture into a borosilicate test-tube. Roseville, California 95747 USA. Record your findings in the data table. Set up the lab using the materials listed below for … Use the forceps to pull the substance from the test tube out of the water and place it on a piece of paper. One of the largest distinctions is between pure substances and mixtures. Identify each of the following substances as pure substances, heterogeneous mixtures, or homogeneous mixtures. Mixture Separation Lab ... Background: The ability to separate and recover pure substances from mixtures is extremely important in scientific research and industry. Untitled. Make a mixture of the two powders together on one piece of paper. This is a lab that is designed to have students write a lab procedure and separate out mixture of substances with different properties. Do not touch any of the pieces in the beaker. Mixtures are physical combinations of two or more elements and/or compounds. (LC, MCST) Homogeneous mixtures or solutions Calculating concentrations Preparing solutions 5. It's a subtopic of the classification of matter. This Practical Chemistry resource was developed by the Nuffield Foundation and the Royal Society of Chemistry. Frequently Asked … Pure substances: made up of a single component (a single type of atom or a single type of molecule) Mixtures: made up of several components. In other words, Beer … Mixtures can be classified as homogeneous or heterogeneous. That is, the absorbance at any wavelength of a mixture is equal to the sum of the absorbance values of each component in the mixture at that wavelength. Due: With Binder: You are required to make a title page for the start of this unit. Elements, Compounds, & Mixtures Lab. Put cold water in the beaker until it is about half-full and then place the beaker to the side. This may be an opportunity to introduce or reinforce the ‘rule’ that if only two elements are combined together, the name of the compound ends in ‘-ide’. Assigned: Dec 6th. Carefully pour the mixture of iron and sulfur powders into the test tube. chromatography. All matter can be classified as either a pure substance or a mixture. how do Iron and sulfur mixture differ from iron sulfide. They will learn pure substances, compounds, elements, heterogeneous and homogeneous mixtures, solutions, and suspensions. Scoop out sulfur powder onto the paper until you have added 3 g of the powder. PRINCIPLES OF CHEMISTRY LAB I Experiment 2 Separation Of Mixtures INTRODUCTION A mixture can simply be defined as a substance that is made up or consists of two or more elements and/or compounds that are physically combined but that have not reacted chemically to form new substances. ... (30 pages), Task Cards (60) and Worksheets / Activities (6) suitable for virtual learning. PLAY. Within the category of mixtures, it is possible to distinguish between homogeneous and heterogeneous mixtures. c) What state of matter is Station 1? Substances can be pure or impure. This is a type of mixture that is physically separated and not mixed evenly.