Question

Endothermic reactions take place when

a.

energy given out in making bonds is less than the energy taken in for breaking bonds

b.

energy given out in making bonds is more than the energy taken in for breaking bonds

c.

energy given out in making bonds is equal to the energy taken in for breaking bonds

d.

none of these

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Answer: (a).energy given out in making bonds is less than the energy taken in for breaking bonds

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Q. Endothermic reactions take place when

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