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Which of the following is an air pollution?

Assistant Lineman (ALM) Everyday Science MCQs NTS Past Papers WAPDA Department

Which of the following is an air pollution?

November 22, 2021 Admin No Comments

A: Oxygen
B: Carbon Monoxide
C: Calcium
D: Nitrogen
Correct Answer: b
Short Details:
The chemical formula of Carbon Monoxide is CO.
CO has no taste, no colour and smell.

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Year: 2021

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