Question

Multiple choise :
(a) Which of the following is not a characteristic of a
chemical change ?
(i) It is irreversible
(ii) No net energy change is involved
(iii) New substance is formed
(iv) Involves absorbtion or liberation of energy

actually i know the ans. but didn't know the correct reason to support my ans. the ans will be n9.3



please help me??????​

Answer 1

Answer:

(iv) Involves absorbtion or liberation of energy

Explanation:

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Answer 2

Answer:

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