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The colour of the borax bead is due to t...

The colour of the borax bead is due to the formation of a/an

A

Glass like metal metaborate bead

B

Hard boric oxide crystal

C

Opaque metal hexaborate bead

D

Glass-like metal orthoborate bead

Text Solution

Verified by Experts

The correct Answer is:
D
The salt of Cu, Fe,Cr, Mn,Co, or Ni clings to the loop made at the free end of clean platinum wire, which on being heated in the flame forms a colourless, transparent bead upon the loop.
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