Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Copper Chromium Arsenic Mangnese Copper Chromium Arsenic Mangnese ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing the gas beyond its critical pressure Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing the gas beyond its critical pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.). 10 25 1 40 10 25 1 40 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cellulose percentage in bamboo fibre is about 50 85 10 20 50 85 10 20 ANSWER DOWNLOAD EXAMIANS APP