Question

state change in colour when iron nails are kept in acidified copper sulphate solution for about one hour​

Answer 1

Answer:. When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed in the surface of iron and the colour of copper sulphate solution changes from blue to pale green

Explanation:

Answer 2

Answer:

/huge/red{A}/pink{N}/orange{S}/green{W}/blue{E}

/gray{R}