Iron & manganese present as pollutant in water cannot be removed by__________________?

Related Mcqs:

______________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?

A. Calcium B. Fluorine C. Phosphorous D. Sulphur...

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan_________________?

A. With greater number of blades B. Of increased diameter C. Both A. & B. D. Neither A. nor B....

Carcinogenic air pollutants cause__________________?

A. Bone decay B. Cancer C. Asphyxiation (suffocation) D. Anemia...

A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

A. Global warming B. Green house C. Atmospheric effect D. Ionosphere...

Presence of excess fluorine in water causes__________________?

A. Dental cavity B. Tooth decay C. Fluorosis D. Respiratory disease...