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Tardigrade
Question
Chemistry
Borax on heating strongly above its melting point melts to a liquid which then solidifies to a transparent mass commonly known as borax bead. The transparent glassy mass consists of
Q. Borax on heating strongly above its melting point melts to a liquid which then solidifies to a transparent mass commonly known as borax bead. The transparent glassy mass consists of
2145
193
The p-Block Elements
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A
mixture of sodium metaborate and boric anhydride
42%
B
boric anhydride
25%
C
sodium metaborate
25%
D
sodium pyroborate.
8%
Solution:
Borax
N
a
2
B
4
O
7
.10
H
2
O
Heat
−
10
H
2
O
Sodium metarborate
2
N
a
B
O
2
+
Boric anhydride
B
2
O
3