Question

small amount of iron filings were added to copper sulphate solution in a test tube and left undisturbed overnight. The mixture was then filtered to obtain the residue. Identify the residue and give its colour

Answer 1

Answer:

the residue left if copper which is brown colour

Explanation:

Fe+CuSO4→FeSO4+Cu

Answer 2

Answer:

The residue left is of copper because this reaction occurs :–

CuSO4 + Fe ➡ FeSO4 + Cu

The colour of residue i.e., Copper will be Reddish Brown.