Assign $A, B, C, D$ from the given type of reaction.
$Mn(OH)_2 + H_2SO_4 \longrightarrow MnSO_4 + 2H_2O$
$Mn(OH)_2 + H_2SO_4 \longrightarrow MnSO_4 + 2H_2O$
- A$A$. for coloured ppt./Black ppt.
- B$B$. for coloured solution.
- C$C$. for clear/colourless solution.
- D$D$. for white ppt.
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Which of the following does not decolourise iodine?
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