Q. Exposure to H₂S for a short period, causes

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Q. 'Methane' is a naturally accruing

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Q. Major 'reservoirs' of CO₂ are:

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Q. Temperature gradient of 'ambient' air is known as

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Q. When temperature changes a hot parcel of air against altitude, providing heat transfer across boundary, resulting condition is known as

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Q. 'TLV' stands for

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Q. Narrow valleys are favorable to inversion because horizontal air movement is

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Q. How much an average man breathe per day?

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Q. Which type of plume is emitted under extreme inversion conditions?

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Q. What makes a Leather weak and disintegrates ?

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Q. Primary pollutants in photochemical smog are nitric oxides and

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Q. What is causes of increase in CO₂?

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Q. What is dispersed solid or liquid particles of microscopic size in gaseous media?

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Q. Which type of inversion is common in winter than summer?

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Q. Which gas is produced when an organic matter is burnt?

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Q. Rubber cracking of tyres and electrical insulation is caused by

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Q. Which gas is produced by reduction of sulphur?

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Q. What is concentration of carbon dioxide in atmosphere?

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Q. COHb stands for

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Q. Liquid particles formed by atomization of parent liquid is known as

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