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Sagot :
Adding a catalyst to a chemical reaction results in a decrease in activation energy and an increase in the reaction rate.
Answer: Option (2) is the correct answer.
Explanation:
Activation energy is the minimum amount of energy required to start or initiate a chemical reaction.
Whereas a catalyst helps in increasing the energy of reactant molecules so that they can overcome activation energy barrier and actively participate in the reaction.
Hence, adding a catalyst to a chemical reaction results in a decrease in activation energy and an increase in the reaction rate.
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