Question

The ore that contains the metal in the form of fluoride is
(A) Sphalerite
(B) Malachite
(C) Cryolite
(D) Magnetite.​

Answer 1

$\huge\color{indigo}{\mid{\fbox{\tt{αηsωεя}}\mid}}$

c) cryolite

Based on the above formulae of ores, we can conclude that the ore that contains the metal in the form of fluoride is cryolite

Note: It is important to know that although cryolite is used to obtain aluminium, it is a very rare mineral.