Answers

2015-10-04T12:54:35+05:30
the compound formed by burning iron and sulphur is iron sulphide which can not be separated by any physical method it can only be separated by chemical method.
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2015-10-04T13:50:02+05:30
When iron fillings and sulphur are heated then a black compound named Iron sulphide (FeS) is formed. It is a chemical change.
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