chem100 - Name:_ Exercise 1 Only questions answered on the...

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Name:________________________________________ Exercise 1 9/16 Fall 2002 Only questions answered on the scantron will be graded. 1: ALL matter has mass and occupies space. A: True B: False C: Cannot be determined 2: The term mass and weight mean the same thing. A: True B: False C: Cannot be determined 3: The processes of filtration, distillation and chromatography refer to A: the conversion of compounds to elements. B: the formation of compounds from elements. C: the separation of mixtures. 4: A pure element has _____________ composition: A: variable B: the same C: unidentifiable Decide whether each of the following is a A = physical or B = chemical change. 5: drying dishes in the dishwasher A: B: 6: melting chocolate A: B: 7: burning a candle A: B: Identify each of the following as A = element, B = a compound, or C = a mixture. 8: black coffee A: B: C: 9: copper wire A: B: C: 10: pure table sugar (sucrose) A: B: C: 11: the air we breath A: B: C: Identify each of the following as: A: a homogeneous mixture
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chem100 - Name:_ Exercise 1 Only questions answered on the...

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