Zumdahl Chemistry 10th Edition Test Bank

Chapter 1: Chemical Foundations 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