Question

Which of the following gases is responsible for the yellowing of the Taj Mahal?

(a) Organic carbon

(b) Black carbon

(c) Brown carbon

(d) All of the mentioned

The question was posed to me by my college director while I was bunking the class.

My enquiry is from Acid Rain in section Particulates, Acid Rain & Aerosols of Environmental Engineering

Answer 1

Correct choice is (d) All of the mentioned

For explanation I would say: Organic carbon, black carbon and brown carbon (generated due to biomass combustion) are light absorbing particles responsible for the yellowing of the Taj Mahal.