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JEE Main levelSingle correct optionDifficulty 2 of 3ev025

Which of the following is a viable particulate pollutant?

AZinc oxide formed by condensation of vapour
BFungal spores
CFly ash
DCoal dust

Answer: B

Viable particulates are living organisms such as bacteria, fungi, moulds and algae. Fly ash, coal dust and metal oxide fumes are non-viable particulates.

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