difference between physical and chemical change
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A change which is reversible is called physical change. /A change which is unreversible is called chemical change
example for physical change is water into ice and ice into water
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example for chemical change is wood into ash
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physical change:-no new substance is formed. which not be formed during chemical reaction. eg; cutting of tree
chemical change:-new substance is formed. it is formed during chemical reaction. eg; rusting of iron
chemical change:-new substance is formed. it is formed during chemical reaction. eg; rusting of iron
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