Type:
Test Bank
Chemistry An Introduction to Resource: General, Organic, and Biological Chemistry Edition:
11th Edition
Author(s):
Karen C. Timberlake
An Introduction to General, Organic, and Biological Chemistry, 11e (Timberlake) Chapter 1 Chemistry and Measurement 1.1 Multiple-Choice Questions 1) Water, H2O, is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element Answer: A Page Ref: 1.1 2) In this list, which substance can be classified as a chemical? A) salt B) sleep C) cold D) heat E) temperature Answer: A Page Ref: 1.1 3) One example of a chemical used in toothpaste is ________. A) chlorine B) sulfur C) carbon dioxide D) calcium carbonate E) sugar Answer: D Page Ref: 1.1 4) Which of the following is not a chemical? A) salt B) water C) light D) carbon dioxide E) sugar Answer: C Page Ref: 1.1
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5) Sodium fluorophosphate is a chemical used in toothpaste to ________. A) make the paste white B) disinfect the toothbrush C) keep the paste from spoiling D) remove plaque E) strengthen tooth enamel Answer: E Page Ref: 1.1 6) Chlorofluorocarbons are broken down in the atmosphere by ________. A) nitrogen dioxide B) ozone C) iron D) AIDS E) ultraviolet light Answer: E Page Ref: 1.1 7) When a part of the body is injured, substances called ________ are released. A) aspirins B) pain relievers C) nitrogen oxides D) chlorofluorocarbons E) prostaglandins Answer: E Page Ref: 1.1 8) The production of smog from NO gas requires ________. A) nitrogen B) chlorine C) water D) oxygen E) CFCs Answer: D Page Ref: 1.1 9) Chlorofluorocarbons are destructive to the ________. A) ozone produced at ground level in traffic B) water in the upper atmosphere C) nitrogen dioxide in smog D) ozone layer in the upper atmosphere E) copper in telephone wiring Answer: D Page Ref: 1.1
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10) Titanium dioxide is a chemical used in toothpaste to ________. A) make the paste white B) disinfect the toothbrush C) keep the paste from spoiling D) remove plaque E) strengthen tooth enamel Answer: A Page Ref: 1.1 11) One way to enhance your learning in chemistry is to ________. A) study a little every day B) form a study group C) go to office hours D) be an active learner E) all the above Answer: E Page Ref: 1.2 12) In order to enhance your learning in chemistry, you should not ________. A) study a little every day B) form a study group C) go to office hours D) be an active learner E) wait until the night before the exam to study Answer: E Page Ref: 1.2 13) Which of the following is a chemical? A) sugar B) heat C) light D) noise E) a wave Answer: A Page Ref: 1.1 14) 5.21 cm is the same distance as A) 0.0521 m. B) 52.1 dm. C) 5.21 mm. D) 0.00521 km. E) 5210 m. Answer: A Page Ref: 1.9
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15) How many centimeters are there in 57.0 in.? A) 22 cm B) 0.0445 cm C) 145 cm D) 22.4 cm E) 140 cm Answer: C Page Ref: 1.9 16) The amount of space occupied by a substance is its A) mass. B) density. C) weight. D) length. E) volume. Answer: E Page Ref: 1.3 17) Which of the following is the basic unit of volume in the metric system? A) liter B) kilogram C) meter D) centimeter E) gram Answer: A Page Ref: 1.3 18) Which of the following is a measurement of mass in the metric system? A) milliliter B) centimeter C) kilogram D) Celsius E) meter Answer: C Page Ref: 1.3 19) A value of 25 °C is a measurement of A) distance. B) volume. C) temperature. D) mass. E) density. Answer: C Page Ref: 1.3
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20) A value of 36 mL is a measure of A) density B) mass C) temperature D) volume E) distance Answer: D Page Ref: 1.3 21) A value of 345 mm is a measure of A) density B) mass C) temperature D) volume E) distance Answer: E Page Ref: 1.3 22) The measurement 0.000 004 3 m, expressed correctly using scientific notation, is A) 4.3 x 10-7 m. B) 4.3 x 10-6 m. C) 4.3 x 106 m. D) 0.43 x 10-5 m. E) 4.3 m. Answer: B Page Ref: 1.4 23) Which of the following conversion factors is a measured number? A) 10 cm/dm B) 12 in/ft C) 16 oz/lb D) 25 miles/gallon E) 12 eggs/dozen Answer: D Page Ref: 1.5 24) The measurement of the gravitational pull on an object is its A) volume. B) weight. C) mass. D) length. E) size. Answer: B Page Ref: 1.3
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25) Which of the following measurements has three significant figures? A) 0.005 m B) 510 m C) 0.510 m D) 0.051 m E) 5100 m Answer: C Page Ref: 1.5 26) 1.00 pint of milk has a volume of how many milliliters? (2 pints = 1 quart) A) 472 mL B) 530. mL C) 1000 mL D) 1890 mL E) 106 mL Answer: A Page Ref: 1.9 27) Which of the following numbers contains the designated correct number of significant figures? A) 0.04300 5 significant figures B) 0.00302 2 significant figures C) 156 000 3 significant figures D) 1.04 2 significant figures E) 3.0650 4 significant figures Answer: C Page Ref: 1.5 28) The number of significant figures in the measurement of 45.030 mm is A) none. B) three. C) four. D) five. E) six. Answer: D Page Ref: 1.5 29) How many significant figures are in the number 0.00208? A) six B) two C) three D) four E) five Answer: C Page Ref: 1.5
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