Question

plz answer this question

Answer 1

Its toooooooooo easy to answer FeSO4

Answer 2

When iron fillings and iron are heated the product that will be obtained is FeS₂ .

FeS₂ is nothing but ferrous sulphide.

Ferrous Sulphide is yellow colour substance .

(A)When a magnet is moved over mixture and over product of heated mixture

The iron fillings attracted by the magnet .

This shows that a physical reaction has occurred due to which the physical properties of the substance are retained

(B) carbon disulphide is added to the mixture and over the product of heated mixture

Sulphur dissolves and then reappears after some time.

This shows that chemical properties are retained.

Hope it helps !

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