Air ~ Chapter 12
Which of the following number on the pH scale would indicate that a substance is acidic? a. 5.0 b. 7.0 c. 9.0 d none of the above
A
Which of the following respiratory diseases is considered a ling-term effect of air pollution on human health? a. emphysema b. bronchitis c. pneumonia d. all of the above
A
A device used to clean exhaust gases before they exit an automobile's tailpipe is called a(n) a. electrostatic precipitator b. catalytic converter c. scrubber d. none of the above
B
Normal precipitation has a pH of a. 7.0 b. 5.6 c. 5.1 d. 4.5
B
Which of the following air pollutants is not a primary pollutant a. particulate matter b. ozone c. sulfur dioxide d. volatile organic compounds
B
Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward
B
Which of the following substances is not involved in the chemical reaction that produces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone
B
Which of the following substances is a colorless, tasteless, and odorless radioactive gas? a. asbestos b. carbon monoxide c. radon d. ozone
C
A sound measuring 40 dB has how many times the intensity of a sound that measures 10 dB? a. 4 times b. 30 times c. 400 times d. 1000 times
D
The majority of sulfur dioxide produced by industry comes from a. oil refineries b. dry cleaners c. chemical plants d. coal-burning power plants
D
