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If a substance changes from one phase to another, is it still same substance? why
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If a substance changes from one phase to another, is it still same substance? why

User Shalita
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When you boil water, you aren't changing the elements. You're just making water vapor. However, when you burn paper, it becomes carbon (mostly). So physical changes will not change the substance, only chemical changes will.
User Jayraynet
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