Iron and sulphur can form:
A compound only
A mixture only
A solution only
Both compound and mixture
If we take sulphur and iron, and mix them in any proportion, a mixture is formed.
If we mix iron and sulphur and heat them, a compound called Iron sulphide is formed.
How will you prepare
a) A mixture of iron filings and sulphur
b) A compound formed by iron and sulphur
Dilute hydrochloric acid is added in turn to a mixture of iron and sulphur and to the compound formed between iron and sulphur. Name the gas formed in each case.