Question

Hey!

Information about Physical change​

Answer 1

Answer:

physical changes are reversible changes that are temporary and in which no new substance is formed

Answer 2

$\huge{\underline{\tt{\green{ Physical \:change }}}}$

- A physical change is a change in which chemical identical of the substance does not change.

Physical change is a temporary change.

No new substance is formed in a physical change. There is no change in chemical composition of the substance.

Example -

Melting of butter in a pan.

Dissolving salt in water.

Water boils to form steam.

Chemical change - A chemical change is a change in which a new chemical is identified or the substance changes.

Chemical change is a permanent change.

New substance is formed in a chemical change.

There is always a change in the chemical composition of the substance.

Example -

Electrolysis of water.

An almirah gets rusted.

Burning of paper and wood.

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