Science, asked by piyushkatoch14, 2 months ago

physical and chemical change ? give five point on it

Answers

Answered by Deepgaming5230

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 priyanshisinha216

Explanation:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

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