1 physical and chemical changes differ between
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Chemical Change
Chemical changes occur when a substance combines with another to form a new substance
eg: Burning of wood,Milk becoming curd, etc,.
Physical change
physical change is any change in a substance's form that does not change its chemical makeup.
eg:Mixing sand and water, Breaking a glass etc,.
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In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.All chemical reactions are reversible although this can be difficult in practice.
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