Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke Ammonia, salt and limestone None of these Salt, limestone and coke or gas Ammonia limestone and coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transparent soaps (e.g. Pears) are Metallic soaps with frothing agent and free stearic acid to achieve transparency None of these Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered Metallic soaps with frothing agent and free stearic acid to achieve transparency None of these Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 65% oleum 78%H₂SO₄ 20% oleum 98%H₂SO₄ 65% oleum 78%H₂SO₄ 20% oleum 98%H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime 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. Copper Mangnese Arsenic Chromium Copper Mangnese Arsenic Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 500°C 1000°C 750°C 1500°C 500°C 1000°C 750°C ANSWER DOWNLOAD EXAMIANS APP