6. If an element is reduced, what happens to the oxidation state?
- Nothing happens
- The oxidation state goes to 0
- It goes down
- It goes up
7. What is the oxidation state of uncombined elements?
- +2
- +1
- 0
- -1
8. What happens to oxidising agents?
- Nothing
- They are reduced
- They are oxidised
9. In a redox reaction, what happens to reducing agents?
- They are oxidised
- They are reduced
- Nothing