Question

Acid rain is considered to be one of the major causes for discoloration of Taj Mahal.

Say True or False.

• A. True
• B. False

Answer 1

The correct option is A

True

Taj Mahal is made up of Marble, which contains Calcium. The rainwater turns acidic due to Sulphur and Nitrogen based pollutants, forming Sulphurous and Nitrous acids. In the case of acid rain, the acid present in the rainwater reacts with this material and causes discolouring.