Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? Nitric acid Ammonia Limestone None of these Nitric acid Ammonia Limestone None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Arsenic Chromium Mangnese Copper Arsenic Chromium Mangnese Copper ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Liquefaction of gases can not be done by Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic The zeolite water softening process reduces the hardness of water by not more than 50% ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The biochemical treatment applied to sewage effluents is a process of Polymerisation Oxidation Reduction Dehydration Polymerisation Oxidation Reduction Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following fuel gases contains maximum amount of carbon monoxide? L.D. converter gas Coke oven gas Water gas Blast furnace gas L.D. converter gas Coke oven gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP