Chemical Process Very fine suspended and colloidal impurities are removed from water by a process called Softening Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of carbonaceous matter in the sewage 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 Increases the quantity of chlorine used for its purification Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil/fat does not Remove double bonds None of these Improve its resistance to rancid oxidation Raise its melting point Remove double bonds None of these Improve its resistance to rancid oxidation Raise its melting point ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? None of these Filtration Boiling Distillation None of these Filtration Boiling Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Celluloid is chemically Regenerated cellulose Cellulose nitrate Cellulose acetate Cellulose acetate butyrate Regenerated cellulose Cellulose nitrate Cellulose acetate Cellulose acetate butyrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Freeze drying Solar evaporation Electrolysis Vacuum evaporation Freeze drying Solar evaporation Electrolysis Vacuum evaporation ANSWER DOWNLOAD EXAMIANS APP