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JEEMAIN and NEET
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Chemistry
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s-Block Elements
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Q)
Tincal contains mainly
(
a
)
N
a
N
O
3
(
b
)
N
a
2
B
4
O
7
.10
H
2
O
(
c
)
N
a
2
C
O
3
(
d
)
N
a
2
S
O
4
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