Explain the physical and chemical changes with two examples.
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Answer:
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. ... In a physical change, no new substance is formed. A chemical change is always accompanied by one or more new substance(s).
Q. $ \small\bf \red{Explain~Physical~and~Chemical}$ $ \small\bf \red{Changes?}$
$ \leadsto $ A $ \sf \blue{Chemical~ change}$ is a permanent change. Chemical change both physical and chemical properties of the substance including its composition.
$ \leadsto $ A $ \sf \green{Physical ~change}$ affects only physical properties i.e. shape, size, etc. A physical change involves very little to no absorption of energy.
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