Answers

2014-11-24T19:53:05+05:30
Catalysts are elements which help in decreasing or increasing the rate at which the reaction is taking place
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2014-11-24T20:02:37+05:30
The increase in the rate of chemical raction due to the participation of another chemical substance called catalyst. it helps in increasing up the speed of the reaction without sparing moreenergy in it.they are not consumed in the reaction but are recycled everytime,
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