Chemical Process The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by Electrolytic reduction Electrolytic oxidation None of these Electrolysis Electrolytic reduction Electrolytic oxidation None of these Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid saturated with SO₃ is called Concentrated H₂SO₄ None of these Oleum Sulphurous acid Concentrated H₂SO₄ None of these Oleum Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Both A & B Fire fighting purposes Neither A nor B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 20% oleum 65% oleum 98%H₂SO₄ 78%H₂SO₄ 20% oleum 65% oleum 98%H₂SO₄ 78%H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? Limestone Nitric acid Ammonia None of these Limestone Nitric acid Ammonia None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with Hydrazine H₂SO₄ NaOH Alum solution Hydrazine H₂SO₄ NaOH Alum solution ANSWER DOWNLOAD EXAMIANS APP
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