Chemical Process Permanent hardness of water can be removed by Adding alum Passing it through cation & anion exchangers Simply boiling All of these Adding alum Passing it through cation & anion exchangers Simply boiling All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalyst used in the oxidation of benzene to produce maleic anhydride is Pt Cr V₂O₅ Ni Pt Cr V₂O₅ Ni ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Parathion Trichloroethylene Methanol Perchloroethylene Parathion Trichloroethylene Methanol Perchloroethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of Grignard reagent is Sodium thiosulphate Ethyl magnesium chloride Sodium sulphite Sodium bicarbonate Sodium thiosulphate Ethyl magnesium chloride Sodium sulphite Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The drug used in contraceptives is Methyl salicylate Pencillin Mestranol Sulphadizene Methyl salicylate Pencillin Mestranol Sulphadizene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The function of gypsum addition during cement making is to Neither A nor B Decrease the cement setting rate Both A and B Increase the density of cement Neither A nor B Decrease the cement setting rate Both A and B Increase the density of cement ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS