Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$FeSO_4 + Na_2S \longrightarrow FeS \downarrow$

  • A
    For coloured ppt./Black ppt.
  • B
    For coloured solution.
  • C
    For clear/colourless solution.
  • D
    For white ppt.

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