Chapter 1: Chemical Foundations Test Bank for Chemistry 10th Edition Zumdahl 1. Which of the following is an example of a quantitative observation? A) The piece of metal is longer than the piece of wood. B) Solution 1 is much darker than solution 2. C) The liquid in beaker A is blue. D) The temperature of the liquid is 60°C. E) At least two of the above (A-D) are quantitative observations. ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 2. A quantitative observation A) contains a number and a unit B) does not contain a number C) always makes a comparison D) must be obtained through experimentation E) is none of these ANS: A DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 3. Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n) A) observation B) measurement C) theory D) natural law E) experiment ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual

 

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