Chemical Process Concentration of hydrogen peroxide is done by Dehydration Atmospheric distillation Crystallisation Vacuum crystallisation Dehydration Atmospheric distillation Crystallisation Vacuum crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The drug used in contraceptives is Sulphadizene Mestranol Pencillin Methyl salicylate Sulphadizene Mestranol Pencillin Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of edible vegetable oils Increases their melting point All of these Is an exothermic reaction Is done in presence of nickel catalyst Increases their melting point All of these Is an exothermic reaction Is done in presence of nickel catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of glycerene present in the spent lye obtained during soap manufacture is about 20 0.5 5 35 20 0.5 5 35 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Ethylene dichloride Carbon tetrachloride Chlorinated paraffin Chlorobenzene Ethylene dichloride Carbon tetrachloride Chlorinated paraffin Chlorobenzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials used for producing __________ cement does not contain iron oxide. Waterproof Pozzolan Slag White Waterproof Pozzolan Slag White ANSWER DOWNLOAD EXAMIANS APP