Question

E. Tick (√)the most appropriate answer
1. Chemical changes are the result of
absorption or release of:
(a) heat energy only
(b) light energy only
(c) sound energy only
(d) some kind of energy​

Answer 1

Answer:

Due to the absorption of energy when chemical bonds are broken, and the release of energy when chemical bonds are formed, chemical reactions almost always involve a change in energy between products and reactants.

Explanation:

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Answer 2

Answer:

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