Chemistry 5070 · O Level · Water

Water — practice question

Substances dissolved in water may lead to eutrophication. How many of the ions shown bring about this effect? $Cl^-$, $CO_3^{2-}$, $Na^+$, $NO_3^-$, $PO_4^{3-}$

  • A1
  • B2
  • C3
  • D4

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