Hydrazine is used in water treatment for the removal of___________________?

Related Mcqs:

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about ________________ cm2/gm?

A. 800 B. 1600 C. 4000 D. 8500...

Nylon-66 is so named because the____________________?

A. Average degree of polymerisation of the polymer is 1966 B. Number of carbon atoms between two nitrogen atoms are 6 C. Number of nitrogen atoms between two carbon atoms are 6 D. Polymer was first synthesised in 1966...

Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

A. SO3 B. Cl2 C. NH3 D. SO2...

Glycerine is a by-product of the ________________ industry ?

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

Manufacture of phthalic anhydride uses ______________ as a catalyst ?

A. Ni B. Cr C. V2O5 D. Al2O3...