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

Related Mcqs:

In water treatment plant, zeolite process is used to remove the _____________ of water?

A. Acidity B. Alkalinity C. Hardness D. Iron & zinc...

Out of the following, TLV of _______________ is maximum (about 500 ppm)?

A. Carbon dioxide B. Toluene C. Carbon disulphide D. Acetaldehyde...

World’s worst radioactive pollution was caused by nuclear reactor disaster which occured in ___________________?

A. Arizona (U.S.A.) B. Chernobyl (undivided U.S.S.R.) C. Pennsylvania (U.S.A.) D. Moscow (U.S.S.R.)...

Ozone is__________________?

A. A primary pollutant B. A secondary pollutant C. Impervious to ultra-violet rays D. Both B. and C....

Pick out the one which is not a chemical coagulant ?

A. Aluminium sulphate B. Ferrous sulphate C. Hydrated lime D. Chloramine...