Chemistry - General Principles and Processes of Isolation of Metals Question with Solution | TestHub

Aluminium is not present in Fluorspar but present in all others.
Cryolite:$\mathrm{N}{\mathrm{a}}_3\mathrm{A}\mathrm{l}{\mathrm{F}}_6$
Mica:$\mathrm{K}\mathrm{A}\mathrm{l}\mathrm{S}{\mathrm{i}}_3{\mathrm{O}}_{10}(\mathrm{O}\mathrm{H}{)}_2$
Feldspar:$\mathrm{K}\mathrm{A}\mathrm{l}\mathrm{S}{\mathrm{i}}_3{\mathrm{O}}_8$
Fluorspar:$\mathrm{C}\mathrm{a}{\mathrm{F}}_2$.