Question

Different between physical and chemical changes in four points

Answer 1

AnswerIn a chemical change, the molecular composition of a substance completely changes and a new substance is formed. Some example of physical change are freezing of water, melting of wax, boiling of water, etc. ... In a physical change, no energy is produced. In a chemical change, energy is produced (heat, light, sound, etc.)

Explanation:

Answer 2

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