Chemical Process Use of hydrated lime in water treatment All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value All of these After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Before filtration, reduces the bacterial load on filters Is to adjust the pH value 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 Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Cellulose nitrate Cellulose acetate Regenerated cellulose nitrate Regenerated cellulose acetate Cellulose nitrate Cellulose acetate Regenerated cellulose nitrate Regenerated cellulose acetate 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 Which of the following is not an abrasive material ? Carborundum Corundum Bakelite Pumice Carborundum Corundum Bakelite Pumice ANSWER DOWNLOAD EXAMIANS APP
Chemical Process P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as Neoprene Teflon Nylon-66 Bakelite Neoprene Teflon Nylon-66 Bakelite ANSWER DOWNLOAD EXAMIANS APP
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