Question

when iron and sulphur powder are heated together
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Answer 1

Answer:

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Explanation:

When iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS). It is a new substance which has properties entirely different from Fe and S. Therefore, heating of mixture of iron and sulphur powder is a chemical change.

Answer 2

Answer:

when iron fillings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide it is a new substance which has properties entirely different from fe and s. therefore. heating of mixture of iron and sulphur powder is a chemical change.