Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Magnesium chloride Sodium sulphate Sodium chloride Calcium sulphate Magnesium chloride Sodium sulphate Sodium chloride Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Claude process of gas liquefaction employs Merely compression of gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Heat exchange with colder stream Joule-Thomson expansion cooling Merely compression of gas beyond its critical pressure Adiabatic expansion against a piston or in a turbine Heat exchange with colder stream Joule-Thomson expansion cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dechlorination of treated water is necessary to Control taste and odour Remove residual turbidity Reduce the bacterial load on filter Remove chlorinous taste Control taste and odour Remove residual turbidity Reduce the bacterial load on filter Remove chlorinous taste ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most widely and commonly used coagulant for the removal of suspended impurities in water is Bleaching powder Slaked lime Copper sulphate Alum Bleaching powder Slaked lime Copper sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking soda Washing soda None of these Baking powder Baking soda Washing soda None of these Baking powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transparent soaps (e.g. Pears) are Metallic soaps with frothing agent from which glycerine has not been recovered Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency None of these Metallic soaps with frothing agent and free stearic acid to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency None of these Metallic soaps with frothing agent and free stearic acid to achieve transparency ANSWER DOWNLOAD EXAMIANS APP
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