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6 Written questions

6 Multiple choice questions

  1. O₂²⁻
  2. Cr₂O₇²⁻
  3. NO₂⁻
  4. BrO₃⁻
  5. NO₃⁻
  6. NH₄⁺

5 True/False questions

  1. CyanideO₂²⁻

          

  2. SulfateSO₄²⁻

          

  3. BicarbonateHCO₃⁻

          

  4. carbonateHCO₃⁻

          

  5. BisulfateHSO₄⁻