Smog is formed by (UTET April 2015) – McqOptions

MCQOPTIONS

1.	Smog is formed by (UTET April 2015)
A.	smoke and fog
B.	condensation of vapour
C.	fog and \[N{{O}_{2}}\]
D.	smoke and \[C{{O}_{2}}\]
Answer» B. condensation of vapour

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