Answer

`A-S;B-R;C-U;D-P;E-Q;F-T`

Explanation

A) corundum `rarr Al_(2)O_3`
B) Cryolite `rarr` sodium aluminium fluoride `(NaAlF_6)`
C) potash alum `rarr K_(2)(SO_(4))_3.24H_(2)O`
D) colemanite `rarr Ca_(2) B_(6)O_(11).5H_(2)O`
E) Bauxite `rarrAl_(2)O_(3).2H_(2)O`