Question

In the presence of a catalyst, the heat evolved or absorbed during the reaction

Increases
Decreases
Remain unchanged
May increase or decrease

Answer 1

Heya,

In the presence of a catalyst, the heat evolved or absorbed during the reaction Remain unchanged.
As a catalyst do not alter the epthaly change, heat of the reaction.

So, the correct answer is option (3) Remain unchanged.

Hope this helps....:)

Answer 2

Answer :. remain unchanged

Explanation ; In the presence of a catalyst the heat evolved or absorbed during the reaction remain unchanged .As a catalyst do not alter the epthaly change, heat of the reaction . So, the correct answer is C.......... remain unchanged

thanks for asking