Question

1. what are catalysts ? explain with examples​

Answer 1

catalyst is substance i.e a element or a compound that increases the rate of chemical reaction. Examples: 1) Nickel, Ni is used in hydrogenation of palm oil into margarine. 2) Iron, Fe is used in Haber process. ( Manufacturing of ammonia)

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Answer 2

ok...

a catalyst is a substance i.e. a element or a compound that increases the rate of chemical reaction . example 1). nickle , ni is used in hydrogenation of palm oil into margarine . 2) iron, de is used in haber process ( manufacturing of ammonia)..