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Question
Chemistry
Aluminium reacts with caustic soda to form:
Q. Aluminium reacts with caustic soda to form:
2681
211
Manipal
Manipal 2005
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A
aluminium hydroxide
42%
B
aluminium oxide
5%
C
sodium meta-aluminate
42%
D
sodium tetra aluminate
11%
Solution:
2
A
l
+
2
N
a
O
H
+
2
H
2
O
→
2
N
a
A
l
O
2
+
3
H
2