The main industrial source of emission of hydrogen sulphide air pollutant is________________?

Related Mcqs:

Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about _______________ decibels?

A. 105 B. 135 C. 160 D. 185...

Which of the following pollutants, if present in atmosphere is detectable by its odour ?

A. CO B. SO2 C. NO2 D. CO2...

Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxiate is ≥ _____________ percent?

A. 84 B. 88 C. 80 D. 92...

Which of the following pollutants is absent in the emissions from a fertiliser plant ?

A. SO2 & SO3 B. NO2 C. NH3 D. CO...

Limestone powder is injected during pulverised coal burning in boilers to ______________ the flue gases?

A. Reduce SO2 content in B. Catalytically convert SO2 to SO3 in C. Increase the dew point of D. None of these...