$Cd$ impurity is present in . . . . . . .

Match the following List-$I$ (Name of the mineral) with List-$II$ (Type):
| List-$I$ | List-$II$ |
| :--- | :--- |
| $A$. Calamine | $I$. Sulphide |
| $B$. Bauxite | $II$. Halide |
| $C$. Kaolinite | $III$. Carbonate |
| $D$. Cryolite | $IV$. Oxide |
| | $V$. Silicate |

Which metal is found in the Khetri region of Rajasthan?

Which ore is used for the manufacture of iron?

Match the anionic species given in Column $I$ that are present in the ore$(s)$ given in Column $II$.

Column $I$	Column $II$
$A$. Carbonate	$P$. Siderite
$B$. Sulphide	$Q$. Malachite
$C$. Hydroxide	$R$. Bauxite
$D$. Oxide	$S$. Calamine
	$T$. Argentite

Which metal is found in free state?