1. When a solution evaporates from a container, ________________ may remain at the bottom or sides.

2. Susan mixed together coarse sand, salt and iron filings in 150mL of water. Which series of steps will most easily separate the substance of mixture?

3. In which temperature of water would sugar dissolve slowest?

Which of these statements is true?

8. Kool-Aid is an example of _______________.

Dissolve

Evaporate

solution

mixture

One characteristic of a solid is that

Which will produce a chemical reaction?

How is a gas different from a solid or a liquid

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