Question

The borax bead is chemically called

1) B2O3
2) Na2B4O7
3) Na3BO3
4) B2O3+NaBO?
​

Answer 1

Answer:

1) B2O3

Explanation:

Borax forms a glassy mass on heating called borax bead. Thus, borax bead is a mixture of sodium metaborate (NaBO2) and boric anhydride (B2O3).

Answer 2

Hey

Here is your answer

Option d) B2O3 + NaBO2 is the correct answer

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