6. how do you test for chlorine?
- silver
- damp blue litmus paper
- damp red litmus paper
7. how do you test for oxygen?
- damp red litmus paper
- relights glowing splint
- burning splint
8. how do you test for carbon dioxide?
- litmus paper
- HCl->limewater
- relights glowing splint
9. what does cation mean?
- positively charged ion
- negatively charged ion
- another way of saying catalyst