Question

When ________ is burnt, it releases toxic gases into the air causing air pollution.

• A. LPG
• B. Plastic
• C. CNG
• D. None of them

Answer 1

The correct option is B Plastic

The burning of plastic releases toxic gases like dioxins, furans, mercury, and polychlorinated biphenyls into the atmosphere. The burning of plastic also produces black carbon (soot) which contributes to air pollution.

CNG and LPG on complete combustion produce carbon dioxide, water vapor, and heat which are also a cause of climate change and global warming but these are not toxic in nature.

Hence, option $B$ is correct.