TEST BANK FOR CHEMISTRY, 8TH EDITION, JILL KIRSTEN ROBINSON, JOHN E. MCMURRY, ROBERT C. FAY

Chemistry, 8e (Robinson/McMurry/Fay) Chapter 1 Chemical Tools: Experimentation and Measurement 1.1 Multiple-Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. Answer: D Diff: 1 Var: 1 Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells Learning Obj: LO 1.1 Identify the steps in the scientific method. Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry. 2) An interpretation of the results of many tests is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. Answer: B Diff: 1 Var: 1 Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells Learning Obj: LO 1.1 Identify the steps in the scientific method. Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry. 3) Which of the following is an example of a qualitative measurement? A) blue crystal B) 10 g of salt C) 2 moles of carbon atoms D) 12 dL of water Answer: A Diff: 2 Var: 1 Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells Learning Obj: LO 1.2 Differentiate between a qualitative and quantitative measurement. Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry. 4) What symbol is used to express the factor, 10-6? A) M B) m C) μ D) n Answer: C Diff: 1 Var: 1 Topic: Section 1.2 Measurements: SI Units and Scientific Notation Learning Obj: LO 1.3 Write numbers in scientific notation and use prefixes for multiples of SI units. Global Obj: G1 Demonstrate an understanding of the principles of scientific inquiry.