Question

write the differences between.
physical and chemical change with example ​

Answer 1

Explanation:

physical changes only change the appearance of substance ,ex:- boiling water

chemical change changes the substance a new chemical formula , ex:- burning of paper gives ash that ash is a new change so it is state as chemical change

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Answer 2

Answer:

Physical changes are reversible, there is no change in chemical.properties, only.physical properties change, it is temporary, no new substance is formed and no energy is absorbed or released.

e.g.- ice melting to water

Chemical changes are irreversible, physical and chemical properties change, it is permanent, new substances are formed and energy can be absorbed or released as heat or light or both.

e.g.- burning of paper release heat, light, water vapour, and forms ash.

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