Chemical Process Temporary hardness of water can be removed by Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) Addition of lime Filtration (through gravity sand filter) Boiling Addition of alum (a coagulant) Addition of lime ANSWER DOWNLOAD EXAMIANS APP
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 chloride Sodium sulphate Calcium sulphate Magnesium chloride Sodium chloride Sodium sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Separation of fresh water from sea water can be done by the __________ operation. Adsorption Reverse osmosis Osmosis Absorption Adsorption Reverse osmosis Osmosis Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Concentrated sulphuric acid Dilute sulphuric acid Sulphurous acid Oleum Concentrated sulphuric acid Dilute sulphuric acid Sulphurous acid Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the Dibasic acid and the ring Diamine and the dibasic acid Diamine and the ring None of these Dibasic acid and the ring Diamine and the dibasic acid Diamine and the ring None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Economics of 'Solvay Process' depends upon the efficiency of Ammonia recovery Ammonia recovery and size of the plant Carbonating tower Ammoniation of salt solution Ammonia recovery Ammonia recovery and size of the plant Carbonating tower Ammoniation of salt solution ANSWER DOWNLOAD EXAMIANS APP
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