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………….. is an example of physical change.
Question

………….. is an example of physical change.

A.

Burning of candle

B.

Making of curd from milk

C.

Blackening of silverware

D.

Dissolving of sugar in water

Correct option is D

The correct answer is (d) Dissolving of sugar in water.
· Dissolving sugar in water is an example of a physical change because the process involves a change in the physical state of the sugar but not in its chemical composition. The sugar molecules are dispersed within the water, but no new substances are formed, and the process is reversible.
Information Booster:
· Burning of Candle: A chemical change because it involves the combustion of wax, producing new substances like carbon dioxide and water vapor.
· Making of Curd from Milk: A chemical change because it involves the fermentation of lactose into lactic acid, resulting in the formation of curd.
· Blackening of Silverware: A chemical change because it involves the reaction of silver with sulfur compounds in the air, forming a new substance, silver sulfide.

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