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1. 2 + 6 = 2 + 3
2. 3 + 6 = 5 + 1 + 3
3. 1 + 5 = 2
4. 2 = 2 + 3
5. 2 = 4 + 1
6. 4 + 5 = 4 + 6
7.
8. 1 + 1 = 1 + 1
9. 2 = 2 + 4 + 1
10. 1 + 2 = 1 + 1
2. 3Br2 + 6KOH --> 5KBr + KBrO3 + 3H2O
3. P4 + 5O2 --> 2P2O5
4.2KClO3 --> 2 KCl + 3O2
5.2N2O3 --> 4NO + O2
6.2NH3 + 10O2 --> 2NO + 3H2O
7.
8.Zn + H2SO4 --> ZnSO2 + H2
9. Pb(NO3)2 --> PbO + 2NO2 +O2
10.Mg + 2HNO3 --> Mg(NO3)2 + H2