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.

please help me??????​














does anyone can ans. this question ​

Answer 1

Answer:

2 ) No net change is involved

Please mark it as the brainliest answer

Answer 2

Option b the answer. Because during a chemical reaction, there definitely will be an energy change. It maybe either exothermic or endothermic.