ogoro2006 ogoro2006

28-07-2020
Chemistry

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Give two reasons why mixing and heating sulphur powder and iron filings on a watch glass is chemical change

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Maiwish Maiwish

16-08-2020

Answer:

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.

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