Question

Conversion of ice into water and water into ice is an example of change which can be reversed.

Give four more examples where you can say that the changes can be reversed.
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Answer 1

Answer:

Melting: Melting is when solid converts into a liquid after heating. Example of melting is turning of ice into water.

Freezing: Freezing is when a liquid converts into a solid. Example of freezing is turning of water into ice.

Boiling: Boiling is when a liquid converts into a gas.

condensation: change of vapour to drops

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Answer 2

Answer:

this type of change is a physical change in which molecules of that element just rearranges.

Explanation:

Four examples as you asked : 1.A paper can be folded many times but it be bring back to the normal state.2. Boiling water.3.Mixing sand and water.4.condensation of steam

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