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Mixtures & Compounds
| Question | Answer |
|---|---|
| Mixture | A physical combination of two or more substances that are blended together without forming a new substance. Examples: fruit cocktail, cereal, salt water, cement, chocolate milk, sand. |
| Emulsion | A type of colloid in which one liquid is spread through another. |
| Colloid | A special type of MIXTURE in which the particles of one mineral are scattered through another and BLOCK the passage of light WITHOUT settling out. |
| Compound | Any substance that is formed by the CHEMICAL combination of two or more ELEMENTS and acts like a SINGLE substance. Examples: Sugar, table salt, baking soda. |
| Solution | A MIXTURE of substances that are blended so completely that the mixture looks the same everywhere, even under a microscope. Examples: lemonade, powdered fruit drink. |
| Suspension | MIXTURES in which suspended particles can easily be seen. |
| Ways to separate a MIXTURE | Physically, by magnetism, evaporation, sifting, sorting, let liquids settle. |
| How can a COMPOUND be separated? | CHEMICALLY, that is, compounds can be broken apart into simpler substances by chemical reactions. Compounds have different properties than the elements that make them up. |