Jonfan

The exercise was created 2026-01-28 by Jabob67. Question count: 6.




Select questions (6)

Normally, all words in an exercise is used when performing the test and playing the games. You can choose to include only a subset of the words. This setting affects both the regular test, the games, and the printable tests.

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  • Ammoniumjon NH₄⁺
  • Fosfatjon PO₄³⁻
  • Hydroxidjon OH⁻
  • Karbonatjon CO₃²⁻
  • Nitratjon NO₃⁻
  • Sulfatjon SO₄²⁻

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