A. Hydrochloric acid
B. H2SO4 by Chamber process
C. Calcium carbide
D. Corundum
Related Mcqs:
- In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?
A. Furnace → converter → absorber
B. Furnace → evaporator → absorber
C. Furnace → converter → evaporator
D. Converter → furnace → absorber - Nitric acid is not used in the manufacture of______________________?
A. Detergents
B. Fertilisers
C. Aqua regia
D. Explosives - Contact process of sulphuric acid manufacture ____________________?
A. Yields acid of higher concentration than chamber process
B. Yields acids of lower concentration than chamber process
C. Is obsolete
D. Eliminates absorber - 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 - Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?
A. SO3
B. Cl2
C. NH3
D. SO2 - Rosin soap is added during paper manufacture to____________________?
A. Impart adhesive properties
B. Improve opacity
C. Impart resistance to penetration by liquids
D. None of these - Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
A. NH3
B. NaCl
C. CaO
D. Coke - Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?
A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid - Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils________________?
A. Cause cholesterol build up and blood clotting
B. Are prone to rancid oxidation
C. Always contain some amount of nickel (as their complete removal is very difficult)
D. Have affinity to retain harmful sulphur compounds - Yeast is used in the manufacture of ____________________?
A. Penicillin
B. Antibiotics
C. Wine
D. Pasteurised milk