Lime and soda ash are added to water to remove ___________________?

Related Mcqs:

Phenolic antiseptics are added in the __________________ soap?

A. Shaving B. Medicated C. Metallic D. Transparent...

The main product of high temperature carbonisation of coal is_____________________?

A. Coke B. Ammonia C. Tar D. Phenol...

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...

Pick out the false statement pertaining to water treatment ?

A. Aeration of water is effective in CO2 removal B. The zeolite water softening process reduces the hardness of water by not more than 50% C. Sodium sulphate or sodium carbonate do not cause hardness in water D. Water with pH value less than 7, is acidic...