Write about physical and chemical changes
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Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc. ... Chemical changes usually involve the production of energy (which can be in the form of heat, light, sound, etc.)
Answered by
1
Answer:
Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc. ... Chemical changes usually involve the production of energy (which can be in the form of heat, light, sound, etc.)
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