Presence of H2S in raw water (to be chlorinated) results in the_____________________?

Related Mcqs:

Which one of the following is not an elastomer ?

A. Polyisoprene B. Neoprene C. Nitrile-butadiene D. None of these...

______________ Nature of hypo (sodium thiosulphate) makes it useful in photography ?

A. Oxidising B. Reducing C. Complex forming D. Photochemical...

Which of the following is an unsaturated fatty acid ?

A. Lauric acid B. Palmitic acid C. Stearic acid D. Oleic acid...

Finely ground calcium aluminate & silicate is a/an ____________________?

A. Cermet B. Cement C. Abrasive D. Explosive...

Glycerine is a by-product of the ________________ industry ?

A. Soap B. Detergent C. Oil hydrogenation D. Paint...