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Dissolving sugar in water and then getting sugar by evaporating water shows what?

Answer and explanation

Correct answer: physical change and separation / Physical change and separation

The direct answer is D: dissolving sugar in water and recovering it by evaporation shows a physical change and separation. Sugar dissolves by becoming distributed among water particles, but it does not normally become a new substance. When water evaporates, the sugar remains and can be collected again. The original sugar can therefore be recovered, showing reversibility and physical separation. Option D is correct. A is wrong because dissolving sugar does not always produce a chemical change; ordinary dissolution is treated as physical here. B is wrong because no new substance is required for the process. C is wrong because nuclear change involves atomic nuclei and is unrelated to dissolving or evaporation. The water changes from liquid to vapour, while sugar remains behind. Option D also correctly includes both the nature of the change and the method used to recover the component. Memory cue: recoverable original substance usually indicates a physical change.

Related tags

Sugar SolutionPhysical ChangeSeparation

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