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Borax is coverted into crystalline boron...

Borax is coverted into crystalline boron by the following steps
Borax `overset(" X ")rarr H_(3)BO_(3)overset(" Y ")underset(Deltas)rarr B`. X and Y are respectively

A

HCl , Cu

B

HCl , C

C

C, Al

D

HCl, Al

Text Solution

Verified by Experts

The correct Answer is:
D

`Na_(2)B_4O_7+HClrarrNaCl+H_2B_4O_7urarrAlH_2O+Al_2O_3+B`
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