Question

33. What is a physical change? Explain with an example.​

Answer 1

Answer:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... In general a physical change is reversible using physical means. For example, salt dissolved in water can be recovered by allowing the water to evaporate.

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Answer 2

Explanation:

Change in shape, size, and structure of elements is Physical Change. It can be reversed to its original state. E.g Melting of ice by heating and reversing by Cooling.