Read the following statements carefully.
(i) An electrostatic precipitator removes particulate matter by imposing negative charge on them.
(ii) Catalytic converters convert unburnt hydrocarbons into carbon dioxide and water.
(iii) Peroxyacyl nitrates (PAN) is a secondary air pollutant.
(iv) DDT is a non-biodegradable pollutant.
Which of the above statements are incorrect?

i & ii

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iii & iv

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i & iii

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None of these

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Solution

The correct option is D None of these
All statements are correct.

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Similar questions

{C O}_{2}

Read the following statements carefully

(i) An electrostatic precipitator removes particulate matter by imposing negative charge on them.

(ii) Catalytic converters convert unburnt hydrocarbons into $C O_{2}$ & water.

(iii) Peroxyacyl nitrate (PAN) is a secondary pollutant.

(iv) DDT is a non – biodegradable pollutant.

Which of the above statements are incorrect?

	Column I		Column II
(A)	Biodegradable pollutants	(i)	DDT
(B)	Non-biodegradable pollutants	(ii)	$S O_{2}$
(C)	Primary pollutants	(iii)	PAN
(D)	Secondary pollutants	(iv)	Sewage

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