What is the correct answer?


The most widely used coagulant for removing suspended impurities from water is

A. Bleaching powder

B. Chlorine

C. Calcium sulphate

D. Alum

Correct Answer :

D. Alum

Related Questions

Teflon is Glauber's salt is chemically Alum is commercially produced from Glass is Refractory bricks having high thermal conductivity is desirable, when… Styrene butadiene rubber (SBR) is Fats as compared to oils have The basic difference between vegetable oils and fats is in their Pick out the wrong statement. Sand and __________ is fused at 1300°C, to produce sodium silicate. Poly Tetrafluoroethylene (P.T.F.E.) is known as With increase in temperature, the equilibrium constant at constant pressure… 'Hollander beater' machine used in the paper manufacturing plant does… Sodium carbonate (soda ash) is not used in the manufacture of Permanent hardness of water can be removed by Gypsum is chemically The most reactive allotropic form of phosphorus is __________ phosphorus. Use of water having dissolved oxygen in boilers promotes Bleaching of paper pulp is done with Main use of hydrazine is The process used for the manufacture of ethyl alcohol from molasses is A substance produced by a living organism and capable of anti-microbial… Which of the following is a co-product during the manufacture of caustic… Pick out the wrong statement. Iodine value of an oil or fat is Diaphragm electrolytic cell as compared to mercury electrolytic cell Catalytic oxidation of naphthalene produces Calgon used in water treatment is chemically Enamels Carbon content of pitch (residue of coal tar distillation) is around __________… The main use of activated carbon in water treatment is to control