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Nickel is by far the most commonly used catalyst in oil hardening.

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Nickel is by far the most commonly used catalyst in oil hardening.

(a) True

(b) False

I have been asked this question in examination.

This intriguing question comes from Industrial Processes-I topic in portion Hydrogenation of Unit Processes

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The correct option is (a) True

The best I can explain: Nickel is by far the most commonly used catalyst in oil hardening. The catalyst problem consists of three phases: (1) preparation of a suitable catalyst, (2) maintenance of its activity as long as possible, and (3) recovery and reactivation of the spent catalyst.

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