CHEM 135 QUESTIONS
1. 1. Which is considered a physical science?
a. physics
b. biology
c. zoology
d. botany: A. Physics
2. 2. Chemistry is often defined as the study of
a. matter and the changes it can undergo.
b. naturally occurring matter.
c. fundamental particles in research labs.
d. synthetically produced matter.: A. Matter and the changes it can undergo.
3. 3. 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: A. "ozone holes" in the stratosphere
4. 4. Which is considered a fossil fuel?
a. coal
b. solar
c. wind
d. hydrothermal: A. Coal
5. 5. 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 scientistis engaged in
a. basic research.
b. applied research.
c. technology.
, d. serendipity.: B. Applied Research
6. 6. The smallest concentration listed below is
a. parts per million.
b. parts per trillion.
c. parts per billion.
d. parts per thousand.: B. Parts per trillion
7. 7. What is the term applied to scientific research that is oriented toward animmediate,
practical goal?: Applied Research
8. 8. What is the term applied to scientific research that has no immediate,practical goal?:
Basic Research
9. 9. What term would be applied to expanding the number of methods toproduce marketable
medicines based on DNA manipulation?: Technology
10. 10. Natural risks seem less worrisome than human-made risks.True or false: True
11. 11. An example of a homogeneous mixture is
a. oil in water.
b. a salt water solution.
c. a suspension.
d. a pure substance.: B. A salt water solution
12. 12. Which of the following is not a pure substance?
a. pure gold
b. clean air
c. refined sugar
d. distilled water: B. Clean Air
13. 13. Which state of matter is composed of charged particles which aredramatically
affected by electric and magnetic fields?
a. solids
b. liquids
c. gases
1. 1. Which is considered a physical science?
a. physics
b. biology
c. zoology
d. botany: A. Physics
2. 2. Chemistry is often defined as the study of
a. matter and the changes it can undergo.
b. naturally occurring matter.
c. fundamental particles in research labs.
d. synthetically produced matter.: A. Matter and the changes it can undergo.
3. 3. 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: A. "ozone holes" in the stratosphere
4. 4. Which is considered a fossil fuel?
a. coal
b. solar
c. wind
d. hydrothermal: A. Coal
5. 5. 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 scientistis engaged in
a. basic research.
b. applied research.
c. technology.
, d. serendipity.: B. Applied Research
6. 6. The smallest concentration listed below is
a. parts per million.
b. parts per trillion.
c. parts per billion.
d. parts per thousand.: B. Parts per trillion
7. 7. What is the term applied to scientific research that is oriented toward animmediate,
practical goal?: Applied Research
8. 8. What is the term applied to scientific research that has no immediate,practical goal?:
Basic Research
9. 9. What term would be applied to expanding the number of methods toproduce marketable
medicines based on DNA manipulation?: Technology
10. 10. Natural risks seem less worrisome than human-made risks.True or false: True
11. 11. An example of a homogeneous mixture is
a. oil in water.
b. a salt water solution.
c. a suspension.
d. a pure substance.: B. A salt water solution
12. 12. Which of the following is not a pure substance?
a. pure gold
b. clean air
c. refined sugar
d. distilled water: B. Clean Air
13. 13. Which state of matter is composed of charged particles which aredramatically
affected by electric and magnetic fields?
a. solids
b. liquids
c. gases
