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Exam questionKROK 1Pharmacy ยท 2009

For quantitative determination of some drugs the solutions of sulfuric and perchloric acids are applied. Which of the following oxides are the anhydrides of these acids?

Answer options

  1. SO2, Cl2O
  2. SO2, Cl2O7
  3. SO2, Cl2O7
  4. SO3, ClO2
  5. SO3, Cl2O7
Correct answer

SO3, Cl2O7

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