

MCQOPTIONS
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1. |
Endothermic reactions take place when |
A. | energy given out in making bonds is more than the energy taken in for breaking bonds |
B. | energy given out in making bonds is less than the energy taken in for breaking bonds |
C. | all of these |
D. | energy given out in making bonds is equal to the energy taken in for breaking bonds |
Answer» C. all of these | |