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
Chemical Process Which of the following is not an insecticide? Sodium flouride Hydrocyanic acid Hexane Nicotine Sodium flouride Hydrocyanic acid Hexane Nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most widely and commonly used coagulant for the removal of suspended impurities in water is Alum Copper sulphate Slaked lime Bleaching powder Alum Copper sulphate Slaked lime Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Activated carbon Calcium sulphate Ferric sulphate Chlorine Activated carbon Calcium sulphate Ferric sulphate Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an organo-metal-lic compound? Cumene Isopropyl alcohol Tetra-ethyl lead Zeolite Cumene Isopropyl alcohol Tetra-ethyl lead Zeolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Reduction of Cl- ions Oxidation of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions ANSWER DOWNLOAD EXAMIANS APP
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