Chemical Process How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln? 1500°C 750°C 500°C 1000°C 1500°C 750°C 500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ethyl alcohol cannot be produced None of these From waste sulphite substrate of paper mills From molasses By esterification and hydroloysis of ethylene None of these From waste sulphite substrate of paper mills From molasses By esterification and hydroloysis of ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the second major component of cement? Al₂O₃ SiO₂ CaO Fe₂O₃ Al₂O₃ SiO₂ CaO Fe₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a rust preventive In hard water for cleaning of cloth As a lubricant As a foam depressant in distillation column As a rust preventive In hard water for cleaning of cloth As a lubricant As a foam depressant in distillation column ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Essential oils are usually obtained using Extractive distillation Leaching Steam distillation Solvent extraction Extractive distillation Leaching Steam distillation Solvent extraction 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 Neither A nor B Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Both A & B Fire fighting purposes ANSWER DOWNLOAD EXAMIANS APP