The solubility product of a sulphide $MS$ is $3 \times 10^{-25}$ and that of another sulphide $NS$ is $4 \times 10^{-40}$. In an ammoniacal solution,which of the following occurs?

  • A
    Only $NS$ gets precipitated
  • B
    Only $MS$ gets precipitated
  • C
    No sulphide precipitates
  • D
    Both sulphides precipitate

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