Physical and Chemical Changes
Change in Matter
Change in matter can be studied in two major ways. The two types of changes are as follows:
Difference between Physical Change And Chemical Change
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Physical Change |
Chemical Change |
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(i) Those changes in which no new substances are formed are called physical changes. |
(i) Those changes in which the original substances lose their chemical nature and identity and form new chemical substances with different properties are called chemical changes. |
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(ii) It is a temporary change |
(ii) It is a permanent change. |
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(iii) It is easily reversible |
(iii) It is usually irreversible. |
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(iv) In a physical change the mass of substance does not alter. |
(iv) In a chemical change the mass of the substance does alter. |