A. Water treatment
B. Glass manufacture
C. Hydrogenation of fatty oil as a catalyst
D. Development of exposed photographic plate
Related Mcqs:
- Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of_____________________?
A. Calcium sulphate
B. Sodium chloride
C. Sodium sulphate
D. Magnesium chloride - Zeolite is a/an___________________?
A. Naturally occuring clay which is capable of exchanging cations
B. Abrasive material
C. Catalyst used in shift conversion
D. None of these - Zeolite used in water softening process (cation exchange) is regenerated by washing with___________________?
A. Brine
B. Chloramines
C. Sodium bisulphite
D. Liquid chlorines - Polymethyl methacrylate (PMMA) is known as ____________________?
A. Bakelite
B. Teflon
C. Perspex
D. Nylon-6 - Enzymes are organic catalysts used in the ____________________ reactions ?
A. Chemical
B. Biochemical
C. Photochemical
D. Electrochemical - A mineral is termed as ‘ore’, if ____________________?
A. A metal can be economically extracted from it
B. It contains ≥ 40% metal
C. The metal present in it is costly
D. All A , B. and C. - ____________________ of rubber decreases after its vulcanisation?
A. Resistance to the action of organic solvent
B. Tackiness
C. Maximum service temperature
D. Tensile strength - ____________________ is a thermosetting plastic ?
A. Polythene
B. Epoxy polymer
C. P.V.C.
D. Polystyrene - Highly porous refractory bricks are ____________________?
A. Less susceptible to chemical attack by molten fluxes and gases etc
B. Very strong
C. Having very high thermal conductivity
D. None of these - Triple superphosphate is manufactured by reacting ____________________?
A. Phosphate rock with phosphoric acid
B. Phosphate rock with sulphuric acid
C. Phosphate rock with nitric acid
D. Ammonium phosphate with phosphoric acid
