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Question
Chemistry
The formula of corundum is
Q. The formula of corundum is
2145
256
The p-Block Elements
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A
A
l
2
O
3
83%
B
A
l
2
O
3
⋅
H
2
O
4%
C
A
l
2
O
3
⋅
2
H
2
O
7%
D
A
l
2
O
3
⋅
3
H
2
O
6%
Solution:
A
l
2
O
3
in anhydrous form is called corundum.