Chemical Process Boiling of water containing temporary hardness produces CO₂ CaHCO₃ None of these CaSO₄ CO₂ CaHCO₃ None of these CaSO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Fire fighting purposes Neither A nor B Both A & B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Fire fighting purposes Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Vanadium Nickel Iron Alumina Vanadium Nickel Iron Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethyl alcohol cannot be produced By esterification and hydroloysis of ethylene None of these From molasses From waste sulphite substrate of paper mills By esterification and hydroloysis of ethylene None of these From molasses From waste sulphite substrate of paper mills ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Na₂CO₃ is called Washing soda Soda ash Plaster of paris Calcite Washing soda Soda ash Plaster of paris Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nickel is not used as a catalyst in the Ostwald's process of HNO₃ manufacture Fischer-Tropsch process Hydrogenation of oil Shift conversion Ostwald's process of HNO₃ manufacture Fischer-Tropsch process Hydrogenation of oil Shift conversion ANSWER DOWNLOAD EXAMIANS APP
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