Question

1. Explain the difference between physical and chemical changes, give one example of each​

Answer 1

Answer:

Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.

A few examples of chemical change are digestion of food, burning of coal, rusting, etc. ...

In a physical change, no new substance is formed.

A chemical change is always accompanied by one or more new substance(s).

Explanation:

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Answer 2

Answer:

Differences Between Physical and Chemical Change

Explanation:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Examples of physical change - freezing of water, melting of wax, boiling of water, etc.

Examples of chemical change - digestion of food, burning of coal, rusting, etc