Observe the following statements:
$1.$ Heavy water is harmful for the growth of animals.
$2.$ Heavy water reacts with $Al_4C_3$ and forms deuterated acetylene.
$3.$ $BaCl_2 \cdot 2D_2O$ is an example of interstitial deuterate.
The correct statements are:

  • A
    $1$ and $3$
  • B
    $1$ and $2$
  • C
    $1, 2$ and $3$
  • D
    $2$ and $3$

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