Question

Carcinogenic pollutant in the following is

• A. Polychlorinated biphenyls
• B. Sodium chlorate
• C. Tetrachloroethene
• D. Both (A) and (C)

Hint:

Memorize common toxic pollutants: PCB, perchloroethylene, benzene.

Answer 1

The Correct Option is D

Step 1: PCB’s are well known environmental carcinogens.
Step 2: Tetrachloroethene (perchloroethylene) is also suspected carcinogenic solvent.
Step 3: Sodium chlorate is an oxidizer but not carcinogenic. Hence → (D).