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 Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Application of activated carbon reduces the temporary hardness of water Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 200-300 4000-4500 2000-2200 700-850 200-300 4000-4500 2000-2200 700-850 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transparent soaps (e.g. Pears) are Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered None of these Metallic soaps with frothing agent and free stearic acid to achieve transparency Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency Metallic soaps with frothing agent from which glycerine has not been recovered None of these Metallic soaps with frothing agent and free stearic acid to achieve transparency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Hissing sound All of these Exothermic heat Slaked lime Hissing sound All of these Exothermic heat Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Helium Argon Krypton Neon Helium Argon Krypton Neon ANSWER DOWNLOAD EXAMIANS APP
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