Chemical Process Which of the following is used as a coagulant in treating turbid water? Ferric sulphate Activated carbon Chlorine Calcium sulphate Ferric sulphate Activated carbon Chlorine Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Dolomite Silica/quartz Coke breeze Lime powder Dolomite Silica/quartz Coke breeze Lime powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Dacron Maleic anhydride Vinyl chloride Phthalic anhydride Dacron Maleic anhydride Vinyl chloride Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is not a constituent of gun powder. Sulphur Carbon Potassium nitrate Charcoal Sulphur Carbon Potassium nitrate Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Bi-carbonates Sulphates & chlorides None of these Carbonate Bi-carbonates Sulphates & chlorides None of these Carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fatty material used in soap making is Detergents Fatty acid Tallow Fatty alcohols Detergents Fatty acid Tallow Fatty alcohols ANSWER DOWNLOAD EXAMIANS APP
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