Answers

2015-02-12T22:08:20+05:30
In tearing of paper the paper torn can be put it back in place by sticking the pieces together but in chemical change the burnt paper can not be got back
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2015-02-18T19:12:22+05:30
Tearing of paper is a physical change because tearing a paper cannot transform the paper's state
whereas,
burning of paper does, actually when we burn a paper it gets chemically changed n cannot be brought back to its original state thus it is a chemical change.
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