Question

WHAT ARE THE CHARACTERISTICS OF PHYSICAL CHANGE?​

Answer 1

Answer:

1. no new substance is formed and composition of original substance remain unchanged.

2. temporary and reversible.

3. no change in the mass of the substance undergoing a physical change.

4. not significant.

Explanation:

Answer 2

Answer:

A substance is said to undergo a physical change when only the physical properties such as the shape, size, colour, state or appearance of the substance change. Its chemical composition remains intact. Some characteristics of a physical change are:

Temporary in nature.

Does not affect the internal structure of a substance, only the molecules are rearranged.

No new substance is formed.

Most of the physical changes are reversible. We can obtain the substance back even after the change.

Some examples of a physical change are folding of a paper sheet, melting of wax, freezing and boiling water, melting of ice, condensation, vaporization, magnetizing a compass needle, dissolving sugar in water, etc.

Explanation:

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