Aluminium reacts with dilute $HCl$ and liberates a gas '$A$' and with aqueous alkali liberates a gas '$B$'. $A$ and $B$ respectively are

  • A
    $Cl_2, O_2$
  • B
    $O_2, O_2$
  • C
    $Cl_2, H_2$
  • D
    $H_2, H_2$

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