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प्रश्न
Write a balanced equation for \[\ce{H3BO3 ->[\Delta]}\]?
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उत्तर
\[\ce{4H3BO3 ->[][-4H2O] \underset{Metaboric acid}{4HBO2} ->[410 K][- H2O] \underset{Tetraboric acid}{H2B4O7}->[Red hot][- H2O] \underset{Boron trioxide}{2B2O3}}\]
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