Question

with the help of an example explain how physical change is different from chemical change​

Answer 1

Answer:

In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.

Explanation:

Answer 2

physical change

Physical change affects only physical properties i.e. shape, size, etc. physical change involves very little to no absorption of energy.In a physical change, no new substance is formed. A chemical change is always accompanied by one or more new substance.

PhysicalPhysical change is easily reversible i.e original substance can be recovered.Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.

chemical change

Chemical change both physical and chemical properties of the substance including its compositionDuring a chemical reaction, absorption and evolution of energy take placeA chemical change is always accompanied by one or more new substance.Chemical changes are irreversible i.e. original substance cannot be recovered.few examples of chemical change are digestion of food, burning of coal, rusting, etc.

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