Heat energy is either absorbed or evolved during a chemical change.

False

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True

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Solution

The correct option is B True

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Similar questions

Name 3 chemical reaction in which heat is evolved and 3 chemical reaction in which heat is absorbed

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

(a) increases
(b) decreases
(c) reamins unchanged
(d) may increase or decrease

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