38th B.P.S.C. (Pre) 1992

An example of physical change –

aBlackening of silverware
bBurning of candle
cMaking of curd from milk
dDissolving of sugar in water✓ Correct

Explanation

A physical process is a process in which, on removing the cause, the substance involved returns to its original state. A physical process is temporary and reversible. Dissolving sugar in water is a physical change because sugar can be obtained again by evaporation.

general-science