1 .		Which of the following is a pure substance? Online Text [Hint]
2 .		Passing an electric current through a certain substance produces oxygen and sulfur. This substance cannot be a(n) Online Text [Hint]
3 .		Pick the chemical change that occurs when a match is held over a piece of metal. Online Text [Hint]
4 .		Which identification is incorrect for the elements listed? Online Text [Hint]
5 .		Which of the following is the smallest mass? Online Text [Hint]
6 .		Which of the following is not a state of matter? Online Text [Hint]
7 .		Which of the following statements is false? Online Text [Hint]
8 .		Which of the following is a chemical process? Online Text [Hint]
9 .		Which of the following is an intensive quantity? Online Text [Hint]
10 .		Which number is incorrectly labeled? Online Text [Hint]
11 .		Which of the following listed properties below is an extensive, physical property of sugar? Online Text [Hint]
12 .		Which of the following common objects weighs closest to 1 gram? Online Text [Hint]
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