we hat is chemical reaction
Shovan143:
Chemical reaction:- It is the smallest part of a compound which can exist independently where all the forrm of compound is present.
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chemical reactions is reversible Change
example : rust of iron
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Physical reaction changes physical state of the components
eg when water coverts to ice or steam there is no change in the chemical properties but physical state of that component changes.
Chemical reaction
In this whether the physical change happens or not but the chemical change occurs like oxygen reacts with nescent oxygen to form ozone and etc
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