Question

what is physical and chemical change ? Give example.​

Answer 1

Answer:

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Explanation:

Physical change:-Anything which can be brought back to its original state without affecting its properties during the change.ex:-burning candle

Chemical change:-Anything that cant be bought to its original form and even the properties are changed ex:-burning paper

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Answer 2

Answer:

A physical change is a temporary change in which no new substance(s) is/are formed and the chemical composition of the original substance(s) remains the same even though some of its physical properties like colour, state, shape, size etc. may change.

Examples of physical change are melting of ice cream, melting of butter, glowing of a bulb, cutting of grass, heating of an electric iron, boiling or freezing of water, sublimation of Camphor or iodine etc.

Chemical change is a permanent change in which new substance(s) is/are formed whose chemical composition and physical and chemical properties are completely different from those of the original substance.

example of chemical changes are rusting of iron, ripening of fruits, bursting of a cracker, growing of a plant into a tree, burning of magnesium ribbon etc.

Explanation:

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