Q. Photochemical smog, an oxidizing smog, having a high concentration of

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Q. Motor vehicles emit large quantities of CO, HCs, and

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Q. Which chronic poisoning causes paralysis and difficulty in breathing?

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Q. HCs are thermodynamically not stable towards

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Q. How many types of inversion?

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Q. In humans fine particles, penetrate deep into the

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Q. Size of particulate matter ranges from

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Q. HCs are major 'pollutants' because of their role in formation of

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Q. A small amount of 'ozone' can be produced from lightning and

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Q. Naturally HCs found in atmosphere are produced from the

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Q. When plume is sandwiched between inversion, it is known as

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Q. Subsidence inversion is caused by sinking of air in

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Q. Most common type of absorbent for H₂S removal is

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Q. CO effects central nervous system causes

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Q. What causes dust production ?

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Q. When temperature of ambient air increases with altitude, lapse rate becomes negative, process is known as

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Q. Which gas is known as rotten egg smell ?

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Q. When does plants usually close their stomata ?

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Q. Which aliphatic hydrocarbon does not active in atmospheric photochemical reaction?

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Q. Which source of air pollution has a large stationary source?

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