Question

on heating a mixture of iron filings and sulphur it is observed that​

Answer 1

Answer:

if we heat a mixture of iron fillings and sulphur a compound is formed called iron sulphide. If a mixture of iron filings and sulphur is heated strongly then a greyish-Black substance called iron sulphide is formed.

Answer 2

When a mixture of Iron filings and Sulphur is heated we get a compund called as Iron Sulphide which is greyish in colour.

Fe + S -----> FeS