1.

Borax glass is a mixture of

Answer»

`NaBO_2+B_(2)O_3`
`Na_(2)B_(4)O_(2)+B_2O_5`
`H_(2)B_(4)O_(7)+B_(2)O_(3)`
`Na_(2)BO_7+10H_(2)O+B_(2)O_3`

Solution :Borax GLASS is mixture of
`underset("[sodium meta borate + BORIC anhydride]")(NaBO_2+B_(2)O_3)`


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