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Chem 1123 Test 1 Key - Test 1 Key 1 Identify a liquid A...

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Test 1 Key 1) Identify a liquid. A) definite volume and definite shape B) definite volume and no definite shape C) no definite shape and definite volume D) no definite shape and no definite volume Answer: B or C (Everyone was given credit due to the confussion) Diff: 1 Page Ref: 1.3 2) Which of the following statements about crystalline and amorphous solids is TRUE? A) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order. B) An example of a crystalline solid is glass. C) An example of an amorphous solid is table salt (NaCl). D) An amorphous solid is composed of atoms or molecules with a majority of its volume empty. E) All of the above statements are TRUE. Answer: A Diff: 1 Page Ref: 1.3 3) Which of the following statements about the phases of matter is TRUE? 4) A substance that can't be chemically broken down into simpler substances is 5) A substance composed of two or more elements in a fixed, definite proportion is A) a homogeneous mixture. B) a heterogeneous mixture. C) a compound. D) a solution. E) an alloy. Answer: C Diff: 1 Page Ref: 1.3
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