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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Q. What is included in anthropogenic particulates ?

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Q. What does smoke and water form ?

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Q. Temperature inversion indicates a high degree of atmospheric

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Q. What is adiabatic lapse rate for dry air?

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Q. When does Inversion frequently occur ?

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Q. SO₂ is converted to sulphuric acid in presences of

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Q. Which gas easily oxidize paints, textile fibers and dyes?

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Q. Which plume does occur when there is a stronger lapse rate above a surface inversion?

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Q. Impurities in paper absorb SO₂, converting it into

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