Chemical Process Bleaching of paper pulp is done with Bromine Activated clay Chlorine or chlorine dioxide Magnesium sulphite Bromine Activated clay Chlorine or chlorine dioxide Magnesium sulphite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dichloro diphenyl __________ is the full form of DDT (an insecticide). Tetrachloromethane Tetrachloroethane Trichloromethane Trichloroethane Tetrachloromethane Tetrachloroethane Trichloromethane Trichloroethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Alcohol percentage in molasses may be around 40 70 85 10 40 70 85 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials required for the manufacture of __________ is acetylene and hydrochloric acid. Maleic anhydride Vinyl chloride Phthalic anhydride Dacron Maleic anhydride Vinyl chloride Phthalic anhydride Dacron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Temporary hardness of water can be removed by Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue vitriol is chemically Ferrous sulphate Copper nitrate Copper sulphate Aluminium sulphate Ferrous sulphate Copper nitrate Copper sulphate Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
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