Which of the following minerals does not contain iron?

Sapphire is a mineral of

Which of the following is not a mineral of iron?

$A$ mineral is called an ore if

Match List-$I$ and List-$II$.

List-$I$ (Metal)	List-$II$ (Ores)
$a$. Aluminium	$i$. Siderite
$b$. Copper	$ii$. Calamine
$c$. Iron	$iii$. Kaolinite
$d$. Zinc	$iv$. Malachite

Choose the correct answer from the options given below:

$ACl_2$ (excess) + $BCl_2$ $\rightarrow$ $ACl_4$ + $B \downarrow$
$BO \xrightarrow[\Delta]{> 400 \ ^oC} \frac{1}{2} O_2 + B$
If $A$ and $B$ are metals,then the ore of $B$ would be: