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HPSC Prelims 2021GS-IIQ. 51 of 198
Q. 511 markMedium
HPSC Prelims 2021·GS-II
Following are some processes involving changes of state: A. Evaporation of water B. Burning of candle C. Dissolution of sugar in water D. Electrolysis of water to form hydrogen and oxygen Select the correct option:
(a)B, C and D involve chemical change only
(b)A, B and C involve physical change only
(c)Only A is a physical change
(d)B involves both physical and chemical change