Question

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TVNowiny. (marks 2.6
1. Physical changes and Chemical changes.​

Answer 1

Answer:

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Answer 2

Answer:

Physical changes

A change in which the substance retains its identity and changes in form or state without altering in composition.

A physical change is

• temporary
• easily reversible
• with no new substance formed and
• composition and properties of original substance is not altered

Chemical changes

A change in which the substance loses its identity and produces one or more new substance by change in its composition.

A chemical change is

• permanent
• not easily reversible
• with a new substance formed and
• composition and properties of original substance is altered

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