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give some examples of both physical and chemical changes what are 5 examples of both physical and chemical changes give an example of both physical and chemical change give an example of both physical and chemical change class 7 give two examples of both physical and chemical changes give some examples of physical and chemical changes give 3 examples of both a physical and chemical change give an example where both physical and chemical changes take place give an example where both physical and chemical changes occur simultaneously give an example of a change where both physical and chemical changes take place simultaneously
