Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove____________________?

Related Mcqs:

_________________ is produced using Polycondensation Reaction?

A. Polythene B. Phenol formaldehyde C. Poly vinyl chloride D. None of these...

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?

A. Sodium sulphide & sodium carbonate B. Sodium sulphite & sodium carbonate C. Sodium sulphite & sodium sulphide D. None of these...

Which of the following is an unsaturated fatty acid ?

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

Air used in aerobic fermentation must be sterilized, otherwise the ___________________?

A. Recovery of product will be difficult B. Contamination of pure culture would result C. Uniformity of product cannot be achieved D. None of these...

Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about _____________ °C ?

A. -53 B. -103 C. -183 D. -196...