Chemical Process Dichloro diphenyl __________ is the full form of DDT (an insecticide). Trichloromethane Tetrachloromethane Tetrachloroethane Trichloroethane Trichloromethane Tetrachloromethane Tetrachloroethane Trichloroethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The purpose of tanning in leather industry is to Stiffen the leather Impart water resistance Smoothen the leather Make it flexible Stiffen the leather Impart water resistance Smoothen the leather Make it flexible ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by Electrolytic reduction Electrolysis Electrolytic oxidation None of these Electrolytic reduction Electrolysis Electrolytic oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Slow sand filters can remove colour completely Application of activated carbon reduces the temporary hardness of water Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dry ice (solidified CO₂) is used for the Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams Liquefaction of natural gas Liquefaction of permanent gases None of these Storage & shipment of frozen foods and ice-creams ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil/fat does not Remove double bonds Raise its melting point None of these Improve its resistance to rancid oxidation Remove double bonds Raise its melting point None of these Improve its resistance to rancid oxidation ANSWER DOWNLOAD EXAMIANS APP
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