Question

11. Iron, sulphur and iron sulphide are recognised by:
(a) knowing their melting points
(b) knowing their boiling points
(c) their odour
(d) their texture​

Answer 1

Iron(II) sulfide or ferrous sulfide (Br.E. sulphide) is one of a family chemical compounds and minerals with the approximate formula FeS. Iron sulfides are often iron-deficient non-stoichiometric. All are black, water-insoluble solids.

Answer 2

Answer:

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