Question

Define physical change and write its two characteristics.​

Answer 1

Answer:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. ... Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Explanation:

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Answer 2

A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. In a reversible physical change, the original form of the matter can be restored. In an irreversible physical change, the original form cannot be restored.

its characteristics.​

These include changes in size, shape, texture or state. A good example of physical change is ice melting into water.. Physical changes are reversible and do not produce a new substance having different characteristics. A physical change only changes the way it looks, instead of making something new.

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