General, Organic, and Biological Chemistry, 1st edition BY Kalyn shea Owens
Email: richard@qwconsultancy.com
General, Organic, and Biological Chemistry, 1e (Owens) Chapter 1 Introduction to Chemistry 1.1
Multiple-Choice Questions
1) Helium is a(n) A) compound. B) heterogeneous mixture. C) element. D) homogeneous mixture. E) electron. Answer: C Objective: 1.2 Global Outcomes: G2 2) Air is a(n) A) compound. B) heterogeneous mixture. C) element. D) homogeneous mixture. E) None of the above. Answer: D Objective: 1.2 Global Outcomes: G2 3) Coins in a piggy bank is a(n) A) compound. B) heterogeneous mixture. C) element. D) homogeneous mixture. E) None of the above. Answer: B Objective: 1.2 Global Outcomes: G2 4) The primary substances of which all other things are composed are A) molecules. B) compounds. C) elements. D) electrons. E) protons. Answer: C Objective: 1.2 Global Outcomes: G2
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5) Which of the following is a property of a solid? A) It takes the shape of the container. B) It fills the volume of the container. C) The particles move at a rapid rate. D) The interactions between its particles are very weak. E) The particles have fixed positions and are very close together. Answer: E Objective: 1.2 Global Outcomes: G2 6) Which of the following is a physical property of both liquids and gases? A) has a definite shape B) has a definite volume C) has strong interactions between its particles D) has randomly arranged particles E) has large spaces between molecules Answer: D Objective: 1.2 Global Outcomes: G2 7) Which one of the following properties describes a liquid? A) has a definite shape B) particles are close together and move randomly C) particles move very rapidly D) fills the entire volume of the container E) There is essentially no interaction between the particles. Answer: B Objective: 1.2 Global Outcomes: G2 8) In a gas, the distance between the particles is A) very close relative to the size of the particles. B) close relative to the size of the particles. C) fixed relative to the size of the particles. D) small relative to the size of the particles. E) very large relative to the size of the particles. Answer: E Objective: 1.2 Global Outcomes: G2
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9) Which of the following is an example of a physical change? A) grinding coffee beans B) baking a cake C) converting water to hydrogen and oxygen D) digesting a cheeseburger E) burning coal Answer: A Objective: 1.2 Global Outcomes: G2 10) Which of the following would NOT be a physical change? A) freezing water to make ice cubes B) tearing a piece of aluminum foil C) boiling water for soup D) burning gasoline in a lawnmower E) melting gold to make jewelry Answer: D Objective: 1.2 Global Outcomes: G2 11) Which of the following is a chemical change? A) cutting a rope B) bending a steel rod C) making a snowman D) burning sugar E) melting gold Answer: D Objective: 1.2 Global Outcomes: G2 12) Au is the symbol for A) gold. B) silver. C) argon. D) aluminum. E) sodium. Answer: A Objective: 1.3 Global Outcomes: G2
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Select the correct symbol for the element. 13) Aluminum A) Al B) Am C) Au D) Sn E) Ag Answer: A Objective: 1.3 Global Outcomes: G2 14) Iron A) Ir B) Fs C) Fe D) In E) FE Answer: C Objective: 1.3 Global Outcomes: G2 15) Sodium A) So B) Na C) No D) Sm E) Au Answer: B Objective: 1.3 Global Outcomes: G2 16) Potassium A) P B) Po C) Pt D) K E) Ko Answer: D Objective: 1.3 Global Outcomes: G2
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