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NEET UG CHEMISTRY MCQ: ENVIRONMENTAL CHEMISTRY

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Which of the following statements is false?

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Correct option: A

London smog is oxidising in nature

Option A (London smog is oxidising in nature) is correct because London smog is reducing in nature, not oxidizing.

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Average ozone concentration in Jakarta, Indonesia have been reported to be

0.015 \mathrm{~mg} \mathrm{~m}^{-3}

and those in Tokyo, Japan are

20 \mathrm{~ppmV}

. What is the approximate ratio of these two values, when expressed in the same unit? Increasing skin cancer and high mutation rate are due to S-I: Aldehydes are one of the constituents of photochemical smog.
S-II: Aldehydes are produced by photochemical oxidation of hydrocarbons by ozone. Most suitable atmospheric reaction which is relating to that of disfiguring of Taj Mahal is: Formation of London smog takes place in Maximum limit of nitrate in drinking water is ____ ppm and its excess concentration causes ____