Test Bank For CHEM2 Chemistry in Your World 2nd Edition By Hogg
MULTIPLE CHOICE
- Which activity comes first in the scientific method?
| a. | conclusion |
| b. | hypothesis |
| c. | experimentation |
| d. | observation |
ANS: D
- Which is considered a physical science?
| a. | physics |
| b. | biology |
| c. | zoology |
| d. | botany |
ANS: A
- A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans than insecticides now available. The scientist is engaged in
| a. | basic research. |
| b. | applied research. |
| c. | technology. |
| d. | serendipity. |
ANS: B
- Which technology described in this chapter required the most time from idea to use?
| a. | photography |
| b. | nylon |
| c. | roll-on deodorant |
| d. | X-rays in medicine |
ANS: D
- The discovery of Teflon® was
| a. | an example of planned research. |
| b. | accidental |
| c. | eventually damaging to the ozone layer. |
| d. | deemed useless by the discoverer’s company. |
ANS: B
- Which of the following are linked to the release of CFCs?
| a. | “ozone holes” in the stratosphere |
| b. | increased air pollution |
| c. | drinking water pollution |
| d. | increased food spoilage |
ANS: A
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