TEST BANK CHEMISTRY: THE CENTRAL SCIENCE THEODORE L. BROWN 12th Edition

Chemistry: The Central Science, 12e (Brown et al.) Chapter 1 Introduction: Matter and Measurement 1.1 Multiple-Choice Questions 1) In the following list, only is not an example of matter. A) planets B) light C) dust D) elemental phosphorus E) table salt Answer: B Diff: 2 Page Ref: Sec. 1.1 2) What is the physical state in which matter has no specific shape but does have a specific volume? A) gas B) solid C) liquid D) salts E) ice Answer: C Diff: 1 Page Ref: Sec. 1.2 3) The law of constant composition applies to . A) solutions B) heterogeneous mixtures C) compounds D) homogeneous mixtures E) solids Answer: C Diff: 1 Page Ref: Sec. 1.2 4) A combination of sand, salt, and water is an example of a . A) homogeneous mixture B) heterogeneous mixture C) compound D) pure substance E) solid Answer: B Diff: 1 Page Ref: Sec. 1.2 3 5) A small amount of salt dissolved in water is an example of a _. A) homogeneous mixture B) heterogeneous mixture C) compound D) pure substance E) solid Answer: A Diff: 1 Page Ref: Sec. 1.2 6) Which one of the following has the element name and symbol correctly matched? A) P, potassium B) C, copper C) Mg, manganese D) Ag, silver E) Sn, silicon Answer: D Diff: 1 Page Ref: Sec. 1.2 7) Which one of the following has the element name and symbol correctly matched? A) S, sodium B) Tn, tin C) Fe, iron D) N, neon E) B, bromine Answer: C Diff: 1 Page Ref: Sec. 1.2 8) Which one of the following elements has a symbol that is not derived from its foreign name? A) tin B) aluminum C) mercury D) copper E) lead Answer: B Diff: 2 Page Ref: Sec. 1.2 9) Which one of the following is a pure substance? A) concrete B) wood C) salt water D) elemental copper E) milk Answer: D Diff: 1 Page Ref: Sec. 1.2 4 10) Which one of the following is often easily separated into its components by simple techniques such as filtering or decanting? A) heterogeneous mixture B) compounds C) homogeneous mixture D) elements E) solutions Answer: A Diff: 3 Page Ref: Sec. 1.2 11) Which states of matter are significantly compressible? A) gases only B) liquids only C) solids only D) liquids and gases E) solids and liquids Answer: A Diff: 1 Page Ref: Sec. 1.2 12) For which of the following can the composition vary? A) pure substance B) element C) both homogeneous and heterogeneous mixtures D) homogeneous mixture E) heterogeneous mixture Answer: C Diff: 2 Page Ref: Sec. 1.2 13) If matter is uniform throughout and cannot be separated into other substances by physical means, it is . A) a compound B) either an element or a compound C) a homogeneous mixture D) a heterogeneous mixture E) an element Answer: B Diff: 2 Page Ref: Sec. 1.2 14) An element cannot _ . A) be part of a heterogeneous mixture B) be part of a homogeneous mixture C) be separated into other substances by chemical means D) interact with other elements to form compounds E) be a pure substance Answer: C