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Chemistry
Which one of the following statements is correct?
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Q. Which one of the following statements is correct?
AIEEE
AIEEE 2003
A
Manganese salts give a violet borax- bead test in the reducing flame
B
From a mixed precipitate of $AgCl$ and $AgI$, ammonia solution dissolves only $AgCl$
C
Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution
D
On boiling a solution having $K ^{+}, Ca ^{2+}$ and $HCO _{3}^{-}$ ions we get a precipitate of $K _{2} Ca \left( CO _{3}\right)_{2}$
Solution:
$NH _{3}$ -an inorganic solvent.
Agl is having much higher covalent characteristics in comparison to $AgCl$.