68ᵗʰ B.P.S.C. (Pre) 2023

Detect the odd one.

aRipening of fruit
bSetting of cement
cBurning of coal
dMore than one of the above
eNone of the above✓ Correct

Explanation

“Ripening of fruit,” “setting of cement,” and “burning of coal” are all examples of chemical changes, and all are exothermic. Hence, none of them is the odd one out. Therefore, option (e) is correct.

general-science