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15 questions
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- 1. Multiple Choice
What is the oxidation state of H in H2?
0
+1
-1
-2
- 2. Multiple Choice
What is the oxidation number of Fe in FeCl3?
-3
-2
+2
+3
- 3. Multiple Choice
What is the oxidation number of Cl in FeCl3?
-3
-1
+1
+3
- 4. Multiple Choice
What is the oxidation number of Ca in Ca3N2?
-3
-2
+2
+3
- 5. Multiple Choice
What is the oxidation number of N in Ca3N2?
-3
-2
+2
+3
- 6. Multiple Choice
What is oxidation number of K in K3PO4?
-2
-1
+1
+5
- 7. Multiple Choice
What is oxidation number of P in K3PO4?
-2
-1
+1
+5
- 8. Multiple Choice
What is the oxidation state of C in CO2?
-4
-2
+2
+4
- 9. Multiple Choice
What is the oxidation of C in CH4?
-4
-1
+1
+4
- 10. Multiple Choice
What is the oxidation state of sulfur in H2S?
-1
-2
+1
+2
- 11. Multiple Choice
What is the oxidation number of Cl in ClO3- ?
-1
+1
+5
+6
- 12. Multiple Choice
What is the oxidation state of S in SO42-?
+2
+4
+6
+8
- 13. Multiple Choice
What is the oxidation number of Mn in MnO4- ?
-2
+2
+7
+8
- 14. Multiple Choice
What is the oxidation number of Cr in Cr2O72-?
+6
+7
+12
+14
- 15. Multiple Choice
What is the oxidation of N in NH4+?
-4
-3
+3
+4
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