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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