1.

Borax is _____________

Answer»

`Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O`
`Na_(2)[B_(4)O_(5)(OH)_(6)].7H_(2)O`
`Na_(2)[B_(4)O_(3)(OH)_(8)].6H_(2)O`
`Na_(2)[B_(4)O_(2)(OH)_(10)].5H_(2)O`

Answer :A


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