CAPE Chemistry Unit 2 · 2013 · Paper 1 · Question Q40
Which of the following ions are significant contributors to eutrophication?
I. \text{PO}_4^{3-}
II. \text{NO}_3^-
III. \text{SO}_4^{2-}
IV. \text{Cl}^-
- (A)I and II only
- (B)I and III only
- (C)I, II and III only
- (D)I, II, III and IV
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