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प्रश्न
How will you convert boric acid to boron nitride?
टीपा लिहा
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उत्तर
Fusion of urea with boric acid B(OH)3, in an atmosphere of ammonia at 800 – 1200 K gives
\[\ce{\underset{\text{(Boric acid)}}{B(OH)3} + NH3 ->[\Delta] \underset{\text{(Boron nitride)}}{BN} + 3H2O}\]
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