Question

Define physical change?

Answer 1

Physical change:

• Physical change is a change in which no new substance is formed.
• All state changes are physical changes.
• Physical changes are temporary and generally reversible.
• During a physical change, only the physical properties of the substances are changed. The chemical composition is not affected by physical changes.
• Examples: dissolving sugar in water, sublimation of dry ice, crushing a paper, melting wax, boiling water, etc.