Physical and chemical change chapter based question
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Explanation:
Physical Change :
Physical change is reversible change.
There is change in physical properties of the substance, for example shape, size, color etc.
There is no new product is formed.
For example
Melting / Freezing of water.
Melting of wax.
Melting of ice etc.
Chemical change :
Chemical change is irreversible change.
There is change in chemical properties and composition of the substance.
There is new product is formed.
For example :
Rusting of iron.
Digestion of food
Formation of curd, etc
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