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Which of the following compounds is form...

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

A

`B_(2)O_(3)`

B

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

C

`Na_(3)BO_(3)`

D

`B_(2)O_(3)+NaBO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
4
`Na_(2)B_(4)O_(7).10H_(2)Ounderset(-10H_(2)O)overset(740^(@)C)rarrunderset("glassy bead")(2NaBO_(2)+B_(2)O_(3))`
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RESONANCE-TEST PAPERS-FST 01
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