when carbon isulphide is added to a mixture of iron filings and sulphur powder taken in a boiling tube. which one of the following is NOT observed?
(A) iron filings remain unaffected
(B)sulphide powder dissolved and yellow solution is formed.
(C)iron sulphide, a black coloured mass is formed by combination of Iron and sulphur
(D)solid sulphurreappears,when yellow solution is evaporated
Answer - a: Iron fillings remain unaffected.