Bromine content in sea water may be around _________________ ppm?

Related Mcqs:

Carboxymethyl cellulose (CMC) is added in detergents to_________________?

A. Prevent redeposition of soil on cleaned surface B. Act as optical brightening agent C. Inhibit corrosion in washing machines made of aluminium D. None of these...

Catalytic oxidation of toluene produces____________________?

A. Styrene B. Phenol C. Benzene D. Tri-nitro-toluene...

Flux addition during smelting of ore is done to___________________?

A. Remove impurities/gangue B. Enhance rate of reaction C. Accelerate reduction of ore D. Separate slag from metal...

Oleum produces fumes of_____________________?

A. SO2 B. H2SO4 C. SO3 D. SO2 + H2SO4...

Haemoglobin is a/an____________________?

A. Amino acid B. Biological catalyst C. Protein D. Enzyme...