Chemical Process Presence of carbonaceous matter in the sewage Increases the quantity of chlorine used for its purification Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Reduces sulphate ions to sulphides causing obnoxious smell Increases the quantity of chlorine used for its purification Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures All of these Reduces sulphate ions to sulphides causing obnoxious smell ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT stands for Diethyl-diphenyl-trichloromethane Dichloro-diphenyl-trichloromethane Dichloro-diphenyl-trichloroethane Diphenyl-dichloro-trichloromethane Diethyl-diphenyl-trichloromethane Dichloro-diphenyl-trichloromethane Dichloro-diphenyl-trichloroethane Diphenyl-dichloro-trichloromethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 20 - 30 250 - 300 100 - 150 < - 5 20 - 30 250 - 300 100 - 150 < - 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Penicillin is separated from fermented broth by Ternery azeotropic distillation Extraction with amyl or butyl acetate Evaporation in calendria Extractive distillation Ternery azeotropic distillation Extraction with amyl or butyl acetate Evaporation in calendria Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most stable allotropic form of phosphorous is the __________ phosphorous. Yellow White Black Red Yellow White Black Red ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphate rock is a raw material for the manufacture of Phosphorous All of these Superphosphates Phosphoric acid Phosphorous All of these Superphosphates Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP