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Chemistry
Aluminium reacts with caustic soda to form:
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Q. Aluminium reacts with caustic soda to form:
Manipal
Manipal 2005
A
aluminium hydroxide
42%
B
aluminium oxide
5%
C
sodium meta-aluminate
42%
D
sodium tetra aluminate
11%
Solution:
$2 Al +2 NaOH +2 H _{2} O \rightarrow 2 NaAlO _{2}+3 H _{2}$