Sulphur on boiling with $NaOH$ solution forms

  • A
    $Na_2S_2O_3 + Na_2S$
  • B
    $Na_2SO_3 + SO_2$
  • C
    $Na_2S_2O_3 + NaHSO_3$
  • D
    $Na_2SO_3 + H_2S$

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