Alum is commercially produced from___________________?

Related Mcqs:

1. Synthetic glycerine is produced from___________________?

   A. Toluene B. Phenol C. Propylene D. Naphthalene...

2. Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?

   A. Catalytic dehydrogenation of ethyl benzene B. Dehydration of ethyl alcohol followed by hydrogenation C. Reacting ethylene oxide with acetaldehyde D. Fermentation of starch...

3. Commercially ethylene is produced from naphtha by ______________________?

   A. Catalytic cracking B. Catalytic dehydrogenation C. Pyrolysis D. Hydrocracking...

4. Which of the following is not produced commercially from sea water ?

   A. Magnesium & potassium compounds B. Common salt C. Bromine D. Iodine...

5. Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by _____________________?

   A. Iron-steam reaction B. Electrolysis of water C. Steam reforming of naphtha D. Its cryogenic separation from coke oven gas...

6. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ____________________?

   A. Slaked lime B. Soda lime C. Calcium perchlorate D. None of these...

7. Starting raw material for the manufacture of alum is_________________?

   A. Alumina B. Gypsum C. Bauxite D. Ammonium bicarbonate...

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

   A. Colour B. Turbidity C. Bacteria D. All A , B. and C....

9. Chemical name of ‘alum’ is__________________?

   A. Barium sulphate B. Aluminium sulphate C. Aluminium chloride D. Calcium sulphate...

10. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as____________________?

    A. Bakelite B. Neoprene C. Teflon D. Nylon-66...