NEET UG CHEMISTRY MCQ: ENVIRONMENTAL CHEMISTRY

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Pick up the correct statement

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Correct option: D

Los Angeles smog forms in day time whereas London smog forms in early morning hours

Option D (Los Angeles smog forms in day time whereas London smog forms in early morning hours) is correct because Los Angeles smog (photochemical smog) forms in the presence of sunlight, while London smog (classical smog) forms in cool, damp conditions, typically in the early morning.

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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. Which of the following statements is false? Most suitable atmospheric reaction which is relating to that of disfiguring of Taj Mahal is: Formation of London smog takes place in