A solution of a salt was acidified with HCI when a few drops of BaCI2 solution were added, a white precipitate was formed. Which of the following anions is present in the salt?

  • A CO2- 3
  • B NO- 3
  • C SO2- 4
  • D SO2- 3
waec 2008chemistry

The correct answer is C. SO2- 4

No explanation given
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