Question

which of the following is not a characteristic of a chemical change ?

(a)it is irreversible

(b)no net energy change is involved

(c)new substance is formed

(d)it involves absorption or liberation of energy​

Answer 1

Answer:

No net energy change is involved.

characteristic of a chemical change is as follows:-

i) It is irreversible.

ii) A new substance is formed.

iii) Involves absorption or liberation of energy.

therefore,

Option B No net energy change is involved

is not a characteristic of a chemical change