Question

भौतिक व रासायनिक परिवर्तन में दो अन्तर लिखिए।

Answer 1

Answer:

A physical change involves very little to no absorption of energy. During a chemical reaction, absorption and evolution of energy take place. Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. ... Chemical changes are irreversible i.e. original substance cannot be recovered.