Question

Corrosion of statues and monuments occurs due to

• A. Photochemical smog
• B. Carbon monoxide
• C. Acid rain
• D. Methane

Answer 1

The correct option is C Acid rain

Acid rain is rich in sulphuric acid and nitric acid. These acids have corrosive effects on the building material. They get deposited on the limestone, sandstone, marble etc. and increase their corrosion when exposed to the rain and fog.

A. Photochemical smog causes respiratory illness.

B. Carbon monoxide causes a lack of oxygen in the body.

C. Acid rain corrodes the statues and monuments.

D. Methane is a greenhouse gas.

So, the correct answer is 'Acid rain'