Identify the correct statements from the following:
$(I)$ The formula of Calgon is $Na_6(PO_3)_6$.
$(II)$ Exhausted permutit is regenerated by aqueous $KCl$ solution.
$(III)$ Calcium stearate is soluble in water.
$(IV)$ In ice crystals,each oxygen is surrounded by four oxygen atoms.

  • A
    $III \& IV$ only
  • B
    $I \& IV$ only
  • C
    $I \& III$ only
  • D
    $II \& III$ only

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