CBSE Class 7 Answered
what is physical and chemical changes
Asked by friends4everp | 11 Jun, 2020, 02:55: PM
Expert Answer
Physical changes are those changes in which only state of substance changes but chemical properties remains same. Physical changes are reversible in nature and no new substance is formed.
example- Melting of Ice.
Chemical changes are those changes in which chemical characteristic is changed. It is irreversible and new substance is formed.
Example-Rusting of Iron
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Answered by Ravi | 11 Jun, 2020, 10:00: PM
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Physical and Chemical Changes
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