State one instance where water undergoes a physical and a chemical change
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Physical change- water changes into steam by absorbing a certain amount of heat energy. The same amount of energy is given out when steam changes back into water by giving up its heat.
chemical change-in a chemical change the original substance gives rise to one or more new substances that have entirely different compositions and properties compared to those of the original substance.milk does'nt exist in chemical change
chemical change-in a chemical change the original substance gives rise to one or more new substances that have entirely different compositions and properties compared to those of the original substance.milk does'nt exist in chemical change
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