Observe the following statements regarding purification of bauxite : I. During Hall’s process, silica is removed as Si (vapour).II. Bauxite ore contaminated with Fe2O3 is purified in Baeyer’s process.III. During Serpeck’s process, AlN is formed. The correct answer is.
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a
I.II and III are correct
b
Only I and II are correct
c
Only I and III are correct
d
Only II and III are correct
answer is D.
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Detailed Solution
halls process is purification of alumina, in which iron oxide impurity
Observe the following statements regarding purification of bauxite : I. During Hall’s process, silica is removed as Si (vapour).II. Bauxite ore contaminated with Fe2O3 is purified in Baeyer’s process.III. During Serpeck’s process, AlN is formed. The correct answer is.