Arsenic pollutant is not generated in _______________ industries?

Related Mcqs:

Pick out the correct statement ?

A. Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water B. COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time C. COD is related to BOD of a given waste in water but … Pick out the correct statement ?Read More...

Presence of nitrates in water in excess of 50 ppm causes________________?

A. Methemoglobinemia B. Gastroenteritis C. Asphyxiation D. Tooth decay...

Methyl isocyanate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of ______________ toxic gas?

A. Moderately B. Highly C. Extremely D. Very extremely...

Lagooning process is mainly a means of the__________________?

A. Sludge disposal B. Reduction of excessive flow in sewers C. Biological treatment of wastes D. None of these...

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth’s atmosphere, which absorbs it?

A. Hydrogen B. Carbon dioxide C. Ozone D. None of these...