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Question
Chemistry
In the Bayer’s process, the leaching of alumina is done by using
Q. In the Bayer’s process, the leaching of alumina is done by using
1616
189
WBJEE
WBJEE 2019
General Principles and Processes of Isolation of Elements
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A
N
a
2
C
O
3
0%
B
NaOH
100%
C
S
i
O
2
0%
D
CaO
0%
Solution:
NaOH is used as a leaching solvent to dissolve alumina.