The main industrial source of emission of hydrogen sulphide air pollut – McqOptions

MCQOPTIONS

1.	The main industrial source of emission of hydrogen sulphide air pollutant is________________?
A.	Petroleum refineries
B.	Coal based thermal power plants
C.	Pulp and paper plant
D.	Metallurgical roasting & smelting plant
Answer» C. Pulp and paper plant

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