Chemical Process
Saponification number of an oil or fat

Is inversely proportional to its molecular weight
Gives an idea about its molecular weight
All of these
Detects its adulteration

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Chemical Process
In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

Has a longer life and is not poisoned by arsenic
Gives higher conversion efficiency
Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant
All of these

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