Main pollutants released from iron & steel industry is – McqOptions

MCQOPTIONS

1.	Main pollutants released from iron & steel industry is
A.	CO, CO2 & SO2.
B.	H2S, NO & SO3.
C.	CO2, H2S & NO2.
D.	SO3, NO2 & CO2.
Answer» B. H2S, NO & SO3.

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