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What is a pure substance?
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What is a mixture?
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Science test
Pure substances and Mixtures
| Question | Answer |
|---|---|
| What is a pure substance? | It is a type of matter that contains only one kind of particle. |
| What is a mixture? | It is matter that contains two or more pure substances mixed together. |
| What is a Solution? ( homogeneous) | It is a mixture that looks like a single pure substance. Actually, it is a uniform mixture of two or more pure substances |
| What is a Mechanical Mixture? ( heterogeneous ) | It is a mixture with different parts that you can see. e.g. granola bar, cereal and milk, raisin barn muffin, pencil crayons in a pencil case. |
| What is the particle theory? | The particle theory of matter helps scientists to explain two key things: What matter is made of and how matter behaves. |
| What is matter? | Matter is anything that has mass and takes up space. |
| What is Chemistry? | Chemistry is the study of matter and its changes. |
| What is the difference between a solid, liquid and gas? | The difference between a solid, liquid and a gas is: how the particles are moved and how the particles are arranged. |
| What is the difference between a pure substance and a mixture | The difference between them two are that a pure substance is a type of matter with ONE kind of particle, and a mixture is a type of matter that contains two or more pure substances mixed together. |
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nsiddiqu0321