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What is the chemical composition of bora...

What is the chemical composition of borax bead?

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Borax forms a glassy mass on heating called borax bead.
`Na_2B_4O_7. 10 H_2Ooverset(Delta) toNa_2B_4O_7 overset(740^@C)tounderset("Borax bead")(NaBO_2+ B_2O_2)`
Thus, borax bead is a mixture of sodium metaborate `(NaBO_2)` and boric anhydride `(B_2O_3)`.
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-QUESTION-ANSWER ZONE FOR BOARD EXAMINATION ( SHORT ANSWER TYPE)
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