Question

what is meant by physical change and change ​

Answer 1

HEYA MATE

PHYSICAL CHANGES---IT IS A CHANGE

IN WHICH NO CHEMICAL REACTION TAKES PLACE

FOR EXAMPLE--MELTING OF ICE

• BOILING OF WATER
• CHANGE THE WATER IN STEAM

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Answer 2

Answer:

Physical change:

Properties such as shape, size, color, and state of a substance are called its physical properties. A change in which a substance undergoes a change in its physical properties is called a physical change.

Ex:

Dissolving sugar in water, Sublimation of dry ice, crushing a paper, Melting of wax, Boiling of water, Melting of ice, etc.

Chemical change:

A chemical change is a change of materials into another, new materials with different properties, and one or more than one new substance are formed.

Ex:

Burning of paper and log of wood

Digestion of food

Boiling an egg

Chemical battery usage

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Explanation: