Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Its corrosiveness Bacteria Undersirable taste and odour Bicarbonates & sulphates of calcium and magnesium Its corrosiveness Bacteria Undersirable taste and odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Diaphragm electrolytic cell as compared to mercury electrolytic cell Requires less specific power consumption for the production of chlorine Requires lesser investment for similar capacity All of these Produces 70% NaOH solution Requires less specific power consumption for the production of chlorine Requires lesser investment for similar capacity All of these Produces 70% NaOH solution 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 Na+ ions Oxidation of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions Reduction of Na+ ions Oxidation of Na+ ions Reduction of Cl- ions Oxidation of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloramines are used in water treatment for Control of bacteria Disinfection and control of taste & odour Removing turbidity Corrosion control Control of bacteria Disinfection and control of taste & odour Removing turbidity Corrosion control ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is used In insecticides manufacture In making PVC For making nylon-6 As plasticisers In insecticides manufacture In making PVC For making nylon-6 As plasticisers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils Are prone to rancid oxidation Cause cholesterol build up and blood clotting Always contain some amount of nickel (as their complete removal is very difficult) Have affinity to retain harmful sulphur compounds Are prone to rancid oxidation Cause cholesterol build up and blood clotting Always contain some amount of nickel (as their complete removal is very difficult) Have affinity to retain harmful sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
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