Which of the following compounds is sparingly soluble in ammonia?

If $0.001435 \ g$ of $AgCl$ is present in $100 \ mL$ of water,calculate the $K_{sp}$.

$Cu^{2+}$ and $Cd^{2+}$ are distinguished through the formation of complexes $[Cu(CN)_4]^{3-}$ and $[Cd(CN)_4]^{2-}$ when $H_2S$ gas is passed. Which of the following is correct?

If $[S^{2-}] = 0.6 \times 10^{-2} \ mol \ m^{-3}$ and $[Hg^{2+}] = [Mn^{2+}] = [Fe^{2+}] = [Zn^{2+}] = 1 \times 10^{-16} \ mol \ m^{-3}$,which of the following will precipitate first in an aqueous solution?

If the solubility product of $BaSO_4$ is $1.5 \times 10^{-9}$ in water,its solubility in moles per litre is

The expression for solubility product of mercurous iodide $(Hg_2I_2)$ is