Define Physical and chemical Change
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A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
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A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
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HOPE IT HELP U ..
KHUSHIHEMANTH:
you are worng
physical change -the substance changes in shape
physical change is not permanent change and chemical change is permanent
chemical change cannot get back its original form
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hey mate!
There are several differences between a physical and chemical change in matter or substances. A physical changein a substance doesn't changewhat the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
There are several differences between a physical and chemical change in matter or substances. A physical changein a substance doesn't changewhat the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
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