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-p-Block elements - I — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
In the metallurgy of aluminium, cryolite is mixed in the molten state because it
  • A
    Increases the melting point of alumina
  • B
    Oxidises alumina
  • C
    Reduces alumina
  • ✓
    Decreases the melting point of alumina
✓

Answer

Correct option: D.
Decreases the melting point of alumina
d
(d) Cryolite $N{a_3}Al{F_6}$

(1) Decreases the melting point of alumina

(2) Increases conductivity of the solution

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