Quiz 1 Key - CHM 2045 Quiz #1 Name Key This is exam...

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CHM 2045 Quiz #1 Name Key This is exam consists of 10 questions worth 2 points each. Answer all 10 for full credit. Calculators are allowed but notes or assistance from other students will not be permitted. 1. Classify each of the following as a pure substance (PS) or a mixture (M). Answer I. Gatorade M II. Aluminum PS III. Marble slab M IV. Table sugar PS 2. Which of the following is a homogeneous mixture (multiple choice, circle one)? Answer:C A) Orange juice with pulp B) Gold C) Gasoline D) Hydrogen gas 3. The difference between and element and a compound is (multiple choice, circle one): Answer: A A) An element cannot be broken down into simpler substances by a chemical reaction, a compound is formed by chemically combining two or more elements. B) Both elements and compounds are formed by chemically combining two or more atoms, but an element has more atoms than a compound. C) Elements are flammable but compounds are not. D)
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This note was uploaded on 11/08/2011 for the course CHM 2045 taught by Professor Geiger during the Fall '08 term at University of Central Florida.

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Quiz 1 Key - CHM 2045 Quiz #1 Name Key This is exam...

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