Chemical Process Flux addition during smelting of ore is done to Accelerate reduction of ore Remove impurities/gangue Separate slag from metal Enhance rate of reaction Accelerate reduction of ore Remove impurities/gangue Separate slag from metal Enhance rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Setting of plaster of paris is accompanied with Hydrolysis Hydration Loss of CO₂ Dehydration Hydrolysis Hydration Loss of CO₂ Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Have affinity to retain harmful sulphur compounds Are prone to rancid oxidation Always contain some amount of nickel (as their complete removal is very difficult) Cause cholesterol build up and blood clotting Have affinity to retain harmful sulphur compounds Are prone to rancid oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. 700 < 500 1100 2000 700 < 500 1100 2000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Unsaturated oils compared to saturated oils have Higher melting point & lower reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & higher reactivity to oxygen Lower melting point & higher reactivity to oxygen Higher melting point & lower reactivity to oxygen Lower melting point & lower reactivity to oxygen Higher melting point & higher reactivity to oxygen Lower melting point & higher reactivity to oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the production of styrene butadiene rubber (SBR) is Ethylene Ethyl alcohol Neither A nor B Both A & B Ethylene Ethyl alcohol Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP