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- 1. Multiple ChoiceWhat is the oxidation number of Fe in FeO?+1-1+2-2
- 2. Multiple ChoiceWhat is the oxidation number of O in CO2?+2-1+4-2
- 3. Multiple ChoiceWhat is the oxidation number of N in NO21- ?-3+4-2+3
- 4. Multiple ChoiceIf an atom loses electrons during a chemical reaction, the atom was:OxidizedReducedNeutralizedPrecipitated
- 5. Multiple ChoiceWhat is the oxidation of C in CH4?-4-1+4+1
- 6. Multiple ChoiceWhat is oxidation number of Mn in MnO2 ?0+2-2+4
- 7. Multiple ChoiceWhat is the oxidation number of Ca in Ca3N2?+3+2-3-2
- 8. Multiple ChoiceWhat is the oxidation number of S in SO4 2- ?-2+2+6-4
- 9. Multiple ChoiceWhat is oxidation number of Cr in
Cr2O72-?-2+2+6+12 - 10. Multiple ChoiceWhat is oxidation number of P in K3PO4?+1+5-20
- 11. Multiple Choice
Oxidation number of O in the compound H2O2:
0
-1
-2
+2
- 12. Multiple Choice
Oxidation number of Fe in Fe2O3:
0
-2
+2
+3
- 13. Multiple Choice
Oxidation number of H in NaH:
0
+1
-1
+2
- 14. Multiple Choice
What is the oxidation state of vanadium in V(H2O)63+
1+
3+
5+
7+
- 15. Multiple Choice
What is the oxidation state of phosphorous in Mg3(PO4)2
+2
+3
+4
+5
- 16. Multiple Choice
What is the oxidation state of H in H2?
+2
+1
0
None of the above
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