Question

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Which one of the following statements is correct?

ChemistryGeneral Organic ChemistryJEE MainJEE Main 2003

Options:

A
From a mixed precipitate of $\mathrm{AgCl}$ and $\mathrm{AgI}$, ammonia solution dissolves only $\mathrm{AgCl}$
B
Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution
C
On boiling a solution having $\mathrm{K}^{+}, \mathrm{Ca}^{2+}$ and $\mathrm{HCO}_3^{-}$ions we get a precipitate of $\mathrm{K}_2 \mathrm{Ca}\left(\mathrm{CO}_3\right)_2$.
D
Manganese salts give a violet borax bead test in the reducing flame