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Question
Chemistry
The correct formula of borax is
Q. The correct formula of borax is
1915
265
KEAM
KEAM 2013
The p-Block Elements
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A
N
a
2
[
B
4
O
4
(
O
H
)
3
]
.9
H
2
O
7%
B
N
a
2
[
B
4
O
5
(
O
H
)
4
]
.8
H
2
O
53%
C
N
a
2
[
B
4
O
6
(
O
H
)
5
]
.7
H
2
O
27%
D
N
a
2
[
B
4
O
7
(
O
H
)
6
]
.6
H
2
O
12%
E
N
a
2
[
B
4
O
8
(
O
H
)
7
]
.5
H
2
O
12%
Solution:
Formula of borax is
N
a
2
[
B
4
O
5
(
O
H
)
4
]
⋅
8
H
2
O
.