why a catalyst can not start a reaction?
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A catalyst cannot, in general, start a reaction. Some reactions, however, cannot start in absence of the catalyst. An example is the reaction between H2 (g) and O2 (g) which can be kept together at room temperature for many years without reaction taking place. The presence of traces of platinized platinum, however, starts the reaction very quickly.
kanhiya77:
catalyst which start the reaction but do react with it
sry but i didn't get u
catalysis is a process of increasing the rate of chemical reaction by adding a substance known as a catalyst which is not consumed catalyze reaction and can continue
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bcuz it does not forms a apart of the reactants and does not forms any product.So it just speeds up the process..
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