Chemical Process Calcination of gypsum produces Nitre cake Plaster of paris Salt cake Lime Nitre cake Plaster of paris Salt cake Lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The terminology 'BTX' used in coal tar distillation industry refers to Benzol-toluol-xylol Benzol-toluene-xylene Benzene-toluol-xylol Benzene-toluene-xylene Benzol-toluol-xylol Benzol-toluene-xylene Benzene-toluol-xylol Benzene-toluene-xylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the Lurgi coal gasifier Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Large quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Large quantity of coal can be processed ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the exothermic reaction out of the following: All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ All of these CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ MgCO₃ = MgO + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Give elasticity & prevent cracking of the film Make it corrosion resistant Increase atmospheric oxidation Make glossy surface Give elasticity & prevent cracking of the film Make it corrosion resistant Increase atmospheric oxidation Make glossy surface ANSWER DOWNLOAD EXAMIANS APP