Single Choice

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:

Asodium pyroborate
Bboric anhydride
Csodium metaborate
Dboric anhydride and sodium metaborate
Correct Answer

Solution

Thus the transparent glassy bead consist of boron oxide and sodium metaborate.


SIMILAR QUESTIONS

p - block Elements

The metal which does not give any color in the borax bead test is:

p - block Elements

The platinum wire which is used in borax bead test is dipped in:

p - block Elements

Glassybead is obtained by heating :

p - block Elements

Which of the following compounds is formed in borax bead test?

p - block Elements

Borax-bead test is responded by ?

p - block Elements

Which of the following ions cannot be detected by the borax bead or microcosmic bead test?

p - block Elements

The flame used in Borax bead test is:

p - block Elements

Which of the following cations will turn a borax bead green in an oxidising flame?

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