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Glassy bead is obtained by heating...

Glassy bead is obtained by heating

A

`Na_(2)B_(4)O_(7)10H_(2)O`

B

`H_(3)BO_(3)`

C

`B_(2)H_(6)`

D

`Ca_(2)B_(6)O_(11)`

Text Solution

Verified by Experts

The correct Answer is:
A
`Na_(2)B_(4)O_(7).10H_(2)O overset(Delta)rarr Na_(2)B_(4)O_(7) overset(Delta)rarr underset("Glassy bead")(2NaBO_(2))+B_(2)O_(3)`
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