Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness None of these Reduced softening capacity of zeolite Increased dosage of chlorine to provide a disinfecting residual in the water Easy removal of its hardness None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury cells for caustic soda manufacture, compared to diaphragm cells Produce lower concentration NaOH Require lower initial investment Require more power None of these Produce lower concentration NaOH Require lower initial investment Require more power None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like Fragile nature High cost All of these Easy poisoning tendency Fragile nature High cost All of these Easy poisoning tendency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of thinner in a paint is to Prevent gelling of the paint Suspend pigments & dissolve film forming materials Accelerate the oxidation of oil Form a protective film Prevent gelling of the paint Suspend pigments & dissolve film forming materials Accelerate the oxidation of oil Form a protective film ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Addition of calcium oxide to water produces Hissing sound Exothermic heat Slaked lime All of these Hissing sound Exothermic heat Slaked lime All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation Causes bulking of activated sludge Increases the biological oxygen demand(BOD) Aids in flocculation Helps in grease separation ANSWER DOWNLOAD EXAMIANS APP