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| 1 | |
Which of the following are examples of pure substances? |
| | A) | table sugar, salad dressing, and sand |
| | B) | table sugar, oxygen, and distilled water |
| | C) | distilled water, salad dressing, and table sugar |
| | D) | oxygen, distilled water, and sand |
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| 2 | |
Compounds... |
| | A) | can be physically separated. |
| | B) | can be broken down into elements by physical reactions. |
| | C) | cannot be broken down into elements by chemical reactions. |
| | D) | can be broken down into elements using chemical reactions. |
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| 3 | |
The compound table salt is formed by… |
| | A) | oxygen and sodium combining in a chemical reaction. |
| | B) | chlorine and sodium combining in a chemical reaction. |
| | C) | chlorine and sodium breaking down into elements. |
| | D) | chlorine and water combining in a chemical reaction. |
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| 4 | |
Metals are elements that are generally… |
| | A) | shiny, malleable, and ductile. |
| | B) | shiny, poor conductors that are not ductile. |
| | C) | dull, non-malleable, and gaseous. |
| | D) | liquid, poor conductors that are malleable. |
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| 5 | |
What state are non-metals usually in at room temperature? |
| | A) | solid only |
| | B) | liquid only |
| | C) | solid or gas |
| | D) | solid, liquid, or gas |
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| 6 | |
Which of the following describes the physical properties of copper? |
| | A) | poor conductor, solid |
| | B) | poor conductor, gas |
| | C) | good conductor, solid |
| | D) | good conductor, liquid |
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| 7 | |
Which of the following describes the physical properties of carbon? |
| | A) | shiny, good conductor |
| | B) | malleable, poor conductor |
| | C) | brittle, ductile |
| | D) | dull, not ductile |
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