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Borax is actually made of two tetrahedra...

Borax is actually made of two tetrahedra and two triangular units joined together and should be written as
`Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O`.
Select the correct statement (s) :

A

Borax is used as a buffer

B

1 M borax solution reacts with equal volumes of 2 M HCl solution

C

Titration of borax can be made using methyl orange as the indicator

D

Coloured bead obtained in borax bead test contains metaborate

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