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Physical change:-
(1) Only the physical properties of the substance changes
and the composition remains the same
(2) No new substances obtained
(3) The change is temporary can be reversed by ordinary
physical means
Chemical Changes:
(1) Chemical composition of the substance is changed
(2) New substance with entirely different properties obtained
(3) The change is permanent and cannot be reversed by
ordinary physical means
(4) The formula which gives the actual present in the
molecule of substance
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