Answers

2016-04-19T12:11:16+05:30
It is a form of matter that has chemical composition and characteristic properties. It cannot be separated either by physical methods ie , breaking bond. It can be either solid , liquid , gas or plasma.
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2016-04-19T12:48:22+05:30
The matter which consists of definite chemical composition and has some specific properties.for ex:: every pure compound/element is a substance. Hope this helps u
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