Chemistry · May / June 2023 · Paper 11 · Question 31
5070Water
Dissolved substances can cause eutrophication and the deoxygenation of water. How many of the ions shown cause this effect? Cl⁻ CO₃²⁻ Na⁺ NO₃⁻ PO₄³⁻
- A1
- B2
- C3
- D4
As printed in the paper
Show the answer
Correct answer: B. 2
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.