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Nov 15, 2013

What is the difference between physical and chemical change?

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    Nov 15, 2013

    A physical change is reversible, a chemical change is not. For example, the freezing of water would be a physical change because it can be reversed, whereas the burning of wood is a chemical change - you can't 'unburned' it

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    Nov 16, 2013

    The Physical changes refer to the change in form, shape and state of a substance. For example, change of liquid into solid, change of gas into liquid. These are changes can be easily reversed. But on the other hand, the chemical changes result in the formation of a new chemical substance by making changes in its molecular composition. For example, milk souring and eggs cooking. The changes are irreversible and so called as irreversible changes.

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    AnonymNov 17, 2013

    mixture are example of physical change. in a physical change,no new substance are made and the change is usually easy to reverse compounds are example of a chemical change in a chemical chagne, a completely new substances is made and the change is usually difficult to reverse

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