Select the incorrect statement for a dry cell.

  • A
    $Mn$ is reduced from $Mn^{+4}$ to $Mn^{+3}$
  • B
    $NH_3$ gas is liberated out
  • C
    $Zn$ is used as an anode
  • D
    $A$ paste of $NH_4Cl$ and $ZnCl_2$ is used

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