Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Magnesium chloride Calcium sulphate Sodium chloride Sodium sulphate Magnesium chloride Calcium sulphate Sodium chloride Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Multi-effect evaporation only Selective liquid extraction Evaporation and burning the concentrate followed by causticisation of products Extractive distillation Multi-effect evaporation only Selective liquid extraction Evaporation and burning the concentrate followed by causticisation of products Extractive distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Refractory bricks burnt at very high temperature have got Greater resistance to corrosion by slags None of these High spalling tendency Less resistance to corrosion by slags Greater resistance to corrosion by slags None of these High spalling tendency Less resistance to corrosion by slags ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carboxymethyl cellulose (CMC) is added in detergents to Prevent redeposition of soil on cleaned surface Inhibit corrosion in washing machines made of aluminium None of these Act as optical brightening agent Prevent redeposition of soil on cleaned surface Inhibit corrosion in washing machines made of aluminium None of these Act as optical brightening agent ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Both A & B Fire fighting purposes Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Triple superphosphate is manufactured by reacting Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid Phosphate rock with nitric acid Phosphate rock with sulphuric acid Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid Phosphate rock with nitric acid Phosphate rock with sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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