1 .		Carbon dioxide consists of [Hint]
2 .		Which of the following best characterizes chemicals? [Hint]
3 .		In order to understand the properties of nylon, a chemist studies [Hint]
4 .		Dalton's atomic theory explained which law? [Hint]
5 .		"As the volume of a gas at constant pressure decreases, its temperature increases" is an example of a(an) [Hint]
6 .		Which of the following is a quantitative observation? [Hint]
7 .		Which of the following is a qualitative description of a property of water? [Hint]
8 .		Which of the following is NOT an example of a scientific law? [Hint]
9 .		"Water freezes at 0oC" is an example of a(an) [Hint]
10 .		If experimental evidence contradicts a theory, then [Hint]
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