B.P.S.C. C.D.P.O. (Pre) 2022
Which of the following is not a characteristic of a chemical change?
aIt is irreversible
bNew substance is formed
cNo net change in energy is involved✓ Correct
dIt involves absorption of energy
eNone of the above / More than one of the above
Explanation
Among the options given above, being irreversible, formation of new substances, and absorption of energy are characteristics of a chemical change, whereas “no net change in energy” is involved is not a characteristic of a chemical change.
general-science