Which of the following is not a secondary air pollutant ?

Related Mcqs:

Which of the following fine dust removal equipments is the most efficient ?

A. Bag filter B. Scrubber C. Electrostatic precipitator D. Cyclone separator...

In large thermal power stations very fine particulates present in flue gas are removed by___________________?

A. Wet scrubber B. Bag filter C. Electrostatic precipitators D. Dust catcher...

Peroxyacetyl nitrate (PAN), a pollutant is found in the_________________?

A. Automobile exhaust B. Flue gas of coal based power plant C. Exhaust of nitric acid plant D. Exhaust of sulphuric acid plant...

Which of the following is not a source of ozone emission in the atmosphere?

A. Refrigerators B. Xerox machines C. Dermatological photo-therapy equipments D. High voltage electrical equipments...

Presence of high concentration of ozone and smog in atmospheric air causes the __________________?

A. Embrittlement & decrease of folding resistance of paper B. Cracking of rubber products C. Fading of dye on textiles D. Damage of electrical insulator on high tension power line...