Chemical Process Flux addition during smelting of ore is done to Accelerate reduction of ore Separate slag from metal Remove impurities/gangue Enhance rate of reaction Accelerate reduction of ore Separate slag from metal Remove impurities/gangue Enhance rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Poly tetraflouro ethylene (P.T.F.E.) is known as Decron Bakelite Teflon Celluloid Decron Bakelite Teflon Celluloid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the Liquefaction of natural gas Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases None of these Liquefaction of natural gas Storage & shipment of frozen foods and ice-creams Liquefaction of permanent gases None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 5 to 10 -5 to 0 30 to 50 75 to 80 5 to 10 -5 to 0 30 to 50 75 to 80 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 The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Linde process of gas liquefaction employs Adiabatic expansion against a piston or in a turbine Merely compressing the gas beyond its 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 the gas beyond its critical pressure Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Exchange of heat with colder stream ANSWER DOWNLOAD EXAMIANS APP