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Match the items given in column A and B.
Column A Column B
A) Ear mufflers i) Hospital wastes
B) Incinerators ii) Noise pollution
C) Scrubbers iii) Carbon monoxide and nitrogen oxides
D) Catalytic converter iv) SO₂pollution
(A) (B) (C) (D)
1) ii i iv iii
2) i ii iv iii
3) ii i iii iv
4) iii iv ii i

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answer is A.

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Detailed Solution

Ear mufflers are used for controlling noise pollution.
Incinerators are used for disposal of hospital waste.
Scrubbers are used for removing SO₂ pollution.
Catalytic converters are used for converting hydrocarbons and carbon monoxide into CO₂ and H₂O.

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