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Acid Rain

Etching of ma...

Question

Etching of marble, limestone, jewellery, etc., is caused by pollutant.

A

C O_{2}

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B

CO

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C

S O_{2}

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D

C H_{4}

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Solution

The correct option is D $S O_{2}$
Acidic compounds such as sulphuric acids and nitric acids are corrosive in nature and cause etching of marble, limestone and jewellery.
These are formed by oxides of nitrogen and sulphur and are corrosive.
So, the correct option is SO $_{2}$ .

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