Question

Reaction in which hydrogen is added to a substance is called

Answer 1

Answer:

Catalytic reaction is it not to speed the reaction

Answer 2

Answer:

Explanation:

Hydrogenation is a reduction reaction which results in an addition of hydrogen (usually as H2). If an organic compound is hydrogenated, it becomes more "saturated" with hydrogen atoms. The process typically requires the use of a catalyst, since hydrogenation only occurs spontaneously at high temperatures.

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