Chemical Process Dechlorination of treated water is necessary to Remove residual turbidity Reduce the bacterial load on filter Remove chlorinous taste Control taste and odour Remove residual turbidity Reduce the bacterial load on filter Remove chlorinous taste Control taste and odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells Produce lower concentration NaOH Require more power Require lower initial investment None of these Produce lower concentration NaOH Require more power Require lower initial investment None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene In absolute dark Which is a substitution reaction In presence of sunlight Which is an addition reaction In absolute dark Which is a substitution reaction In presence of sunlight Which is an addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaSO₄ .1/2 H₂O is known as Plaster of Paris Zeolite Gypsum Blue vitriol Plaster of Paris Zeolite Gypsum Blue vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The difference between saponification value and acid value is Constant for all fatty oils Always negative None of these Called ester value Constant for all fatty oils Always negative None of these Called ester value ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main product in calcium carbide-water reaction is C₂H₂ CaCO₃ Ca(OH)₂ CO₂ C₂H₂ CaCO₃ Ca(OH)₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP