Borax is prepared by treating coleminate...

Borax is prepared by treating coleminate with

`NaNO_(3)`

`NaCl`

`Na_(2)CO_(3)`

`NaHCO_(3)`

Verified by Experts

The correct Answer is:

`Ca_(2)B_(6)O_(11)+Na_(2)CO_(3)to 2CaCO_(3) darr +Na_(2)B_(4)O_(7)+2NaBO_(2)`

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