Chemical Process
Nickel is not used as a catalyst in the __________ reaction.

Ammonia cracking/dissociation
Shift conversion
Oil hydrogenation
Steaming reforming of naphtha

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Chemical Process
The chamber process is

Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums
Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H₂SO₄
None of these

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