Chemistry: The Central Science, 11th Edition Test Bank / Chemistry (The Central Science), Edition 11, Brown, LeMay, Bursten, Murphy, Woodward Testbank, Updated

1) Solids have a shape and are not appreciably . A) definite, compressible B) definite, incompressible C) indefinite, compressible D) indefinite, incompressible E) sharp, convertible Answer: A Diff: 1 Page Ref: Sec. 1.2 2) is the chemical symbol for elemental sodium. A) S B) W C) So D) Na E) Sn Answer: D Diff: 1 Page Ref: Sec. 1.2 3) If matter is uniform throughout, cannot be separated into other substances by physical processes, but can be decomposed into other substances by chemical processes, it is called a (an) . A) heterogeneous mixture B) element C) homogeneous mixture D) compound E) mixture of elements Answer: D Diff: 4 Page Ref: Sec. 1.2 4) The symbol for the element potassium is . A) Pt B) P C) K D) S E) Ca Answer: C Diff: 1 Page Ref:Sec. 1.2 5) The symbol for the element magnesium is . A) Rb B) Mn C) Ne D) Si E) Mg Answer: E Diff: 1 Page Ref:Sec. 1.2 6) The initial or tentative explanation of an observation is called a(n) . A) law B) theory C) hypothesis D) experiment E) test Answer: C Diff: 2 Page Ref:Sec. 1.3 7) A concise verbal statement or mathematical equation that summarizes a broad variety of observations and experiences is called a(n) . A) law B) theory C) hypothesis D) experiment E) test Answer: A Diff: 2 Page Ref:Sec. 1.3 8) A separation process that depends on differing abilities of substances to form gases is called . A) filtration B) solvation C) distillation D) chromatography E) all of the above are correct Answer: C Diff: 3 Page Ref:Sec. 1.3 9) The SI unit for mass is . A) kilogram B) gram C) pound D) troy ounce E) none of the above Answer: A Diff: 1 Page Ref:Sec. 1.4 10) A one degree of temperature difference is the smallest on the A) Kelvin B) Celsius C) Fahrenheit D) Kelvin and Celsius E) Fahrenheit and Celsius Answer: C Diff: 3 Page Ref:Sec. 1.4 temperature scale. 11) A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is ? A) km/hr B) km/s C) m/hr D) m/s E) cm/s Answer: D Diff: 3 Page Ref:Sec. 1.4