Chemical Process
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

1 atm & 100°C
5 atm & 275°C
50 atm & 1000°C
100 atm & 500°C

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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
All of these
Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant
Gives higher conversion efficiency

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