Explanation:
Changes that are unable to bring any difference in chemical composition of a substance are known as physical change.
For example, change in shape, size, mass, volume, density, boiling or freezing point etc are all physical changes.
Whereas changes that bring difference in chemical composition of a substance are known as chemical changes.
For example, reactivity, toxicity, combustion etc are all chemical changes.
Hence, out of the given options physical changes are classified as follows.
