A. Increase the rate of absorption
B. Avoid corrosion
C. Reduce the cooling water circulation rate
D. None of these
Related Mcqs:
- The main use of HCl is in the___________________?
A. Drilling of petroleum wells and pickling of steel sheets
B. Manufacture of cationic detergent
C. Treatment of spent fuel of nuclear reactor
D. None of these - High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B. - The purpose of adding Na2CO3 to water of low alkalinity is to__________________?
A. Permit the use of alum as a coagulant
B. Increase the softening capacity of zeolite
C. Facilitate easy regeneration of zeolite
D. All A , B. and C. - Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?
A. Diaphragm electrolytic cell process
B. Mercury electrolytic cell process
C. Lime-soda process
D. None of these - Potassium is kept & transported under ___________________ ?
A. Water
B. Liquid ammonia
C. Kerosene oil
D. Alcohol - Fluorescent dyes are added in detergents to__________________?
A. Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the
whiteness appearance of white fabrics
B. Attain distinctiveness from other brands
C. Act as tarnish inhibitor for metals like German silver
D. None of these - Wet chlorine gas produced during electrolysis of brine is dehydrated by__________________?
A. Spraying 66° Be H2SO4 counter current to the flow of the gas
B. Passing it through a bed of diatomaceous earth
C. Passing it through a bed of silica gel
D. None of these - Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ____________________?
A. Nitric acid
B. Sulphuric acid
C. Ammonium sulphate
D. Hydrochloric acid - H2S is scrubbed from refinery gases by absorption using ________________________?
A. Dilute H2SO4
B. Ethanol amine
C. Chilled water
D. Tri-butyl phosphate - Absorption of SO3 in 97% H2SO4 is_______________?
A. Exothermic
B. Endothermic
C. Not possible
D. None of these
