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

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

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Chemical Process
Pick out the wrong statement pertaining to the soap manufacture.

Organic pigments are used as colouring materials in the soap manufacture
Both laundary as well as toilet soaps are manufactured by hot process
Transparent soaps are made by cold process
Colourless rosin is used in the manufacture of laundary soaps

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