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? Oxidation of Na+ ions Reduction of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Oxidation of Na+ ions Reduction of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of BHC, which is an insecticide is C₆H₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆Cl₆ C₆H₆Cl₆ C₆H₅Cl C₆H₄Cl₂ C₆Cl₆ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not an antibiotic? Penicillin Streptomycin Tetracyclin Quinine Penicillin Streptomycin Tetracyclin Quinine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Impurities present in brine is normally removed by treatment with Lime and soda ash All of these NH₃ and CO₂ Lime, ammonia and carbon Lime and soda ash All of these NH₃ and CO₂ Lime, ammonia and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Deaeration of water in its treatment is necessary, as it Minimises its corrosiveness None of these Minimises its turbidity Helps in controlling its taste and odour Minimises its corrosiveness None of these Minimises its turbidity Helps in controlling its taste and odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Reduced softening capacity of zeolite None of these Easy removal of its hardness Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite None of these Easy removal of its hardness Increased dosage of chlorine to provide a disinfecting residual in the water ANSWER DOWNLOAD EXAMIANS APP
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