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Tardigrade
Question
Chemistry
When borax is heated strongly, it gives
Q. When borax is heated strongly, it gives
1954
226
UPSEE
UPSEE 2010
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A
B
a
B
O
2
B
B
2
O
3
C
B
3
N
3
H
6
D
N
a
2
B
−
4
O
7
Solution:
Borax, when heated strongly, gets converted into a glassy bead, called borax bead, which is a mixture of sodium metaborate and boric anhydride.
N
a
2
B
4
O
7
⋅
10
H
2
O
⟶
Δ
N
a
2
B
4
O
7
+
10
H
2
O