1. 2KMnO₄ + 2NH₃ → 2MnO₂ + N₂ + 2KOH + 2H₂O
2. 3Na₂SO₃ + 2KMnO₄ + H₂O → 3Na₂SO₄ + 2MnO₂ + 2KOH
3. 18NaNo₂ + Na₂Cr₂O₇ + 14HNO₃ → 20NaNo₃ + 2Cr(NO₃)₃ + 7H₂O
4. B + 3HNO₃ + 4HF → HBF₄ + 3NO₂ + 3H₂O
5. 3FeSO₄ + 2KClO₃ + 12KOH → 3K₂FeO₄ + 2KCl + 3K₂SO₄ + 6H₂O
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Answers & Comments
1. 2KMnO₄ + 2NH₃ → 2MnO₂ + N₂ + 2KOH + 2H₂O
2. 3Na₂SO₃ + 2KMnO₄ + H₂O → 3Na₂SO₄ + 2MnO₂ + 2KOH
3. 18NaNo₂ + Na₂Cr₂O₇ + 14HNO₃ → 20NaNo₃ + 2Cr(NO₃)₃ + 7H₂O
4. B + 3HNO₃ + 4HF → HBF₄ + 3NO₂ + 3H₂O
5. 3FeSO₄ + 2KClO₃ + 12KOH → 3K₂FeO₄ + 2KCl + 3K₂SO₄ + 6H₂O