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MBD PUBLICATION-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
- Harmful chemical present in tobacco is:
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- Which of the following is a natural source of air pollution?
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- It is dangerous to leave the car engine running in a closed garage, be...
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- Particulates (< 10^(-6) m size )remaining suspended in air indefinitel...
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- Which of the following is a man-made source of air pollution ?
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- Particulate air pollutants are finely divided solids and liquids. Whic...
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- The lowest layer of earth's atmosphere is :
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- Ozone depletion in the stratosphere is mainly caused by :
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- Which of the following is not a pollutant ?
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- Air pollution from the leakage of methyl isocyanate gas from the Union...
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- Eutrophication of a lake means, it :
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- Which of the following gases present in air protects life on the earth...
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- In the upper layer of the atmosphere, ozone is formed by the:
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- A fertile soil is likely to have a pH of :
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- Lake of oxygen at high altitude produces :
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- Solar ultraviolet radiation is absorbed by :
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- The principal gas evolved from sludge digestion tank is :
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- Which of the following is the uppermost region of the atmosphere ?
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- Which of the following processes is involved in the biochemical treatm...
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- Photochemical smog is formed in :
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