Environmental Chemistry: AtmosphereEveryday Science
The energy of sunlight is converted into heat by
oxygen only
nitrogen only
hydrogen
oxygen and nitrogen
oxygen and nitrogen
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Which of the following causes global warming but is not an air pollutant?
A. carbon dioxide
B. carbon monoxide
C. sulphur dioxide
D. oxides of nitrogen
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
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