Chemical Process Commercially ethylene is produced from naphtha by Pyrolysis Catalytic dehydrogenation Catalytic cracking Hydrocracking Pyrolysis Catalytic dehydrogenation Catalytic cracking Hydrocracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium salt of higher molecular weight fatty acid is termed as the __________ soap. Hard Soft Metallic Lubricating Hard Soft Metallic Lubricating ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flux addition during smelting of ore is done to Enhance rate of reaction Remove impurities/gangue Accelerate reduction of ore Separate slag from metal Enhance rate of reaction Remove impurities/gangue Accelerate reduction of ore Separate slag from metal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High purity nitrogen is used in Fire fighting purposes Both A & B Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Neither A nor B Fire fighting purposes Both A & B 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 Alum [Al2(SO₄)₃] is used as a coagulant in water treatment to remove Turbidity All of these Bacteria Colour Turbidity All of these Bacteria Colour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst All of these Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant All of these Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant ANSWER DOWNLOAD EXAMIANS APP
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