what happens when
a)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder
b)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder heated to red hot followed by cooling

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Solution

a. When dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder, reaction occusrs between dilute sulphuric acid and iron filings that forms ferrous sulphate and evolution of hydrogen.

Fe + H₂SO₄ = FeSO₄ + H₂

b_.Whendilute sulphuric acid is added to a mixture of iron fillings and sulphur powder heated to red hot followed by cooling, iron reacts with sulphur to form iron sulphide, FeS. FeS formed reacts with sulphuric acid to form ferrous sulphate and release hydrogendisulphide gas.

Fe + S FeS
FeS + H₂SO₄ = FeSO₄ + H₂S

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Which gas is produced when a mixture of iron filling and sulphur powder is treated with dilute sulphuric acid at room temperature? Which gas would be produced if the same mixture is heated strongly cooled and then treated with dilute sulphuric acid? What is the cause of difference in this property

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what happens when a)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder b)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder heated to red hot followed by cooling

what happens when
a)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder
b)dilute sulphuric acid is added to a mixture of iron fillings and sulphur powder heated to red hot followed by cooling