1.

Which one is false in the following statement?A. A catalyst is specific in its actionB. A very small amount of the catalyst alters the rate of reaction.C. The number of free vacancies on the surface of a catalyst increase on sub-division.D. `Ni` is used as a catalyst in the manufacture of ammonia.

Answer» Correct Answer - D
Finely divided iron is used as catalyst in manufacture of `NH_(3)`.


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