plissss
1. B
2. C
3. D
4. B
5. A
6. A
7. A
8. D
9. A
10. C
11. a) 12, 12, 4, 2, (2, 8, 2)
b) Mangan, 25, 30, (2, 8, 15)
12. a) + 2e, 16, 18
b) -1e, 20, 19
13. N-N, H-Cl
14. FeO, Cl2O7, Fe-O,
15. C + 2PbO -> CO2 + 2Pb
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1. B
2. C
3. D
4. B
5. A
6. A
7. A
8. D
9. A
10. C
11. a) 12, 12, 4, 2, (2, 8, 2)
b) Mangan, 25, 30, (2, 8, 15)
12. a) + 2e, 16, 18
b) -1e, 20, 19
13. N-N, H-Cl
14. FeO, Cl2O7, Fe-O,
15. C + 2PbO -> CO2 + 2Pb