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7 Written questions

6 Multiple choice questions

  1. HSO4-
  2. HCO3-
  3. O-2
  4. Se-2
  5. MnO4-
  6. mercury

6 True/False questions

  1. sulfideSe-2

          

  2. Nenickel

          

  3. Mgmagnesium

          

  4. bromideBr-

          

  5. Mnmanganese

          

  6. hydrideI-