write the difference between physical and chemical changes?
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1
Answer:
PHYSICAL CHANGES: It is has a property of reversible change. It can be repeated again and again. For ex. When water freezes changes to ice and when heated changes to gas.
CHEMICAL CHANGE: It has no property to repeat it again and again.For ex. When you digest your food u can't take it out.
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10
Explanation:
- Physical changes only change the appearance of a substance not its chemical composition.
- Chemical changes cause a substance to change into entirely substance with new chemical formula.
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