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PATHFINDER-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
- Match Column-I with Column-II
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- Mention the causes for formation of polar stratospheric clouds over An...
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- Acid rain is known to contain some acids. Name these acids and mention...
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- Carbon monoxide is poisonous. Explain.
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- The TLV's of four pollutants A,B,C and D are 9 ppm 10ppm, 100ppm and 5...
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- Which is incorrect about 'green house effect'
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- Lung diseases are four times more in urban areas then in rural areas. ...
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- The species formed in the depletion of ozone layer by chlorofluorocar...
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- Wrong statement reading 'london smog' is
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- CFC' are effective scavengers for ozone due to
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- Which of the following is environmental friendly is reaction
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- 100 mt of a sample of water requires 0.98mg of K2Cr2O7(M.W=294) in pre...
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- A sample of pond water conditioning 20mg of organic matter requires 16...
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- Which of the following reaction causes depletion of ozone layer in su...
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- COD of water sample is 8ppm the weight of acidified K2Cr2O7 required t...
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- Which of the following statements is false ?
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- Phosphate pollution is mainly caused by
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- Among the following how many are greenhouse gases ?
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- Which of the following gases are responsible for the formation of ph...
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- Regarding BOD5, which statements are incorrect ?
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