Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene In absolute dark Which is an addition reaction In presence of sunlight Which is a substitution reaction In absolute dark Which is an addition reaction In presence of sunlight Which is a substitution reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Alum Soda ash Calcium carbide Washing soda Alum Soda ash Calcium carbide Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 90 30 50 70 90 30 50 70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment All of these Is to adjust the pH value Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Is to adjust the pH value Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium None of these Carbonate Sulphates & chlorides Bi-carbonates None of these Carbonate Sulphates & chlorides Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Economics of 'Solvay Process' depends upon the efficiency of Ammonia recovery and size of the plant Carbonating tower Ammonia recovery Ammoniation of salt solution Ammonia recovery and size of the plant Carbonating tower Ammonia recovery Ammoniation of salt solution ANSWER DOWNLOAD EXAMIANS APP
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