Test Bank for Chemistry 8e by Jill Robinson (Author), John McMurry (Author), Robert Fay (Author) Chapter 1-23 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
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