Q8.Balance the following equations :- [5]
1. Al + O2 Al2O3
2. Fe +H2O Fe3O4 + H2
3. P2O5 + H2O H3PO4
4. KNO3 KNO2 + O2
5 .Na + H2 O NaOH + H2
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Answer:
4Al + 3O2 → 2Al2O3
3Fe + 4H2O → Fe3O4 + 4H2
P2O5 + 3H2O → 2H3PO4
2KNO3 → 2KNO2 + O2
2Na + 2H2O → 2NaOH + H2
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