Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ All of these MgCO₃ = MgO + CO₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Separate slag from metal Accelerate reduction of ore Enhance rate of reaction Remove impurities/gangue Separate slag from metal Accelerate reduction of ore Enhance rate of reaction Remove impurities/gangue ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Calcium sulphate Sodium sulphate Sodium chloride Magnesium chloride Calcium sulphate Sodium sulphate Sodium chloride Magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The difference between saponification value and acid value is Constant for all fatty oils Always negative None of these Called ester value Constant for all fatty oils Always negative None of these Called ester value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo? Depithing Bleaching None of these Digestion Depithing Bleaching None of these Digestion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oil produced by solvent extraction Both A & B Neither A nor B Has low free fatty acid content Is odourless Both A & B Neither A nor B Has low free fatty acid content Is odourless ANSWER DOWNLOAD EXAMIANS APP
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