MCQ
An iron nail was suspended in $\mathrm{CuSO}_4$ solution and kept for a while the solution is :
  • A
    Remained blue and coating was found on the nail.
  • Turned green and a coating was formed on the nail.
  • C
    Remained blue and no coating was formed on the nail.
  • D
    Turned green and no coating was formed on the nail.

Answer

Correct option: B.
Turned green and a coating was formed on the nail.

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