Chemical Process Main use of liquid nitrogen is in Refrigerative cooling Rocket propulsion Making gun powder Detergent manufacture Refrigerative cooling Rocket propulsion Making gun powder Detergent manufacture ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The drug used in contraceptives is Methyl salicylate Sulphadizene Pencillin Mestranol Methyl salicylate Sulphadizene Pencillin Mestranol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Electro magnetic separation Froth floatation Smelting Roasting Electro magnetic separation Froth floatation Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from Air None of these Coke oven gas Natural gas Air None of these Coke oven gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite is used in the Hydrogenation of fatty oil as a catalyst Glass manufacture Water treatment Development of exposed photographic plate Hydrogenation of fatty oil as a catalyst Glass manufacture Water treatment Development of exposed photographic plate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Perchloroethylene Trichloroethylene Parathion Methanol Perchloroethylene Trichloroethylene Parathion Methanol ANSWER DOWNLOAD EXAMIANS APP