Question

A chemical reaction may be reversible in nature. State the meaning of the term in italics . Givea reason why a catalyst is used in certain chemical reactions.​

Answer 1

Answer:

a reversible catalytic reaction involving -

1) nitrogen as one of the reactant .

2) sulphur dioxide as one of the reactant .

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Answer 2

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Reversible reactions are the reactions where reactants form products and products react together to form actual reactants. A catalyst is a substance which increases or decreases the speed of the reaction. For example when KClO3 is heated, oxygen is produced but the reaction is very slow.