Chemical Process Production of one ton of cement requires about __________ tons of limestone. 3.8 2.2 1.2 0.6 3.8 2.2 1.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The amount of benzene present in pure benzol is about __________ percent. 50 90 70 30 50 90 70 30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The difference between saponification value and acid value is None of these Always negative Called ester value Constant for all fatty oils None of these Always negative Called ester value Constant for all fatty oils ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Smelting Roasting Calcination Reduction Smelting Roasting Calcination Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials for 'Solvay Process' for manufacture of the soda ash are Ammonia, salt and limestone Salt, limestone and coke or gas None of these Ammonia limestone and coke Ammonia, salt and limestone Salt, limestone and coke or gas None of these Ammonia limestone and coke ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is None of these Endothermic Exothermic Autocatalytic None of these Endothermic Exothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP