Question

Not a physical change can be reserved give a suitable example and explain to support the statement

Answer 1

Answer:

Melting of wax

Explanation:

It is a temporary change which is sometime irreversible

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Answer 2

Answer:

tearing of paper

Explanation:

It is a temporary change which is sometime irreversible and sometimes reversible.

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.