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When Borax is heated it forms a colourle...

When Borax is heated it forms a colourless glassy bead because of formation of :

A

`B_(2)H_(6)`

B

`NaBO_(2)`

C

`B_(2)O_(3)`

D

`Na_(2)B_(4)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Na_(2)B_(4)O_(7). 10H_(2)O overset(Delta)to Na_(2)B_(4)O_(7) overset(Delta)to underset("glassy bead")(2NaBO_(2))+B_(2)O_(3)`
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