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p-Block Elements - I
easy
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
D
Decreases the melting point of alumina
Solution
(d) Cryolite $N{a_3}Al{F_6}$
(1) Decreases the melting point of alumina
(2) Increases conductivity of the solution
Standard 11
Chemistry
Similar Questions
Match List$-I$ with List$-II :$
List$-I$ | List$-II$ |
$(a)$ $\mathrm{NaOH}$ | $(i)$ Acidic |
$(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ | $(ii)$ Basic |
$(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$ |
$(iii)$ Amphoteric |
$(d)$ $\mathrm{B}(\mathrm{OH})_{3}$ | |
$(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$ |
Choose the most appropriate answer from the option given below :