Chemical Process Helium is produced on commercial scale from None of these Natural gas Air Coke oven gas None of these Natural gas Air Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Remove impurities/gangue Enhance rate of reaction Accelerate reduction of ore Separate slag from metal Remove impurities/gangue Enhance rate of reaction Accelerate reduction of ore Separate slag from metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on Slaked lime Calcium perchlorate Soda lime None of these Slaked lime Calcium perchlorate Soda lime None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ MgCO₃ = MgO + CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of an alcohol with organic acid is called the __________ reaction. Acidification Neutralisation Esterification Saponification Acidification Neutralisation Esterification Saponification ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat Gives an idea about its molecular weight Detects its adulteration All of these Is inversely proportional to its molecular weight Gives an idea about its molecular weight Detects its adulteration All of these Is inversely proportional to its molecular weight ANSWER DOWNLOAD EXAMIANS APP
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