Chemistry General Organic 5e chapter 1

Feb 3rd, 2012
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General, Organic & Biological Chemistry, 5e (Timberlake)Chapter 1 Chemistry in Our Lives1.1 Multiple-Choice Questions1) Water, H2O, is an example of a(n)A) chemical.B) solid.C) wave.D) electric charge.E) element.Answer: AObjective: 1.1Global Outcomes: GO22) In this list, which substance can be classified as a chemical? A) saltB) sleepC) coldD) heatE) temperatureAnswer: AObjective: 1.1Global Outcomes: GO23) One example of a chemical used in toothpaste isA) chlorine.B) sulfur.C) carbon dioxide.D) calcium carbonate.E) sugar.Answer: DObjective: 1.1Global Outcomes: GO24) Which of the following is not a chemical?A) saltB) waterC) lightD) carbon dioxideE) sugarAnswer: CObjective: 1.1Global Outcomes: GO25) Sodium fluorophosphate is a chemical used in toothpaste toA) make the paste white.B) disinfect the toothbrush.C) keep the paste from spoiling.D) remove plaque.E) strengthen tooth enamel.Answer: EObjective: 1.1Global Outcomes: GO26) Titanium dioxide is a chemical used in toothpaste toA) make the paste white.B) disinfect the toothbrush.C) keep the paste from spoiling.D) remove plaque.E) strengthen tooth enamel.Answer: AObjective: 1.1Global Outcomes: GO27) When a part of the body is injured, substances called ________ are released.A) aspirinsB) pain relieversC) nitrogen oxidesD) chlorofluorocarbonsE) prostaglandinsAnswer: EObjective: 1.1Global Outcomes: GO28) Which of the following is a

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