The ratio of Iron and Sulphur to form a black coloured mass after heating is-
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3:5
5:3
7:3
5:1
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Answered by
1
Answer:
the answer is 5:3
When sulphur and iron filings are mixed and heated they form FeS (ferrous sulphide). The FeS is in black colour.
Answered by
1
Answer:
ans is 5:3 hope it helps you
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