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Chemistry · May / June 2026 · Paper 12 · Question 19

5070Oxides

The formulae of three oxides are listed. 1 CuO 2 SO$_2$ 3 ZnO Which oxides react with NaOH(aq) to form a salt?

  1. A1, 2 and 3
  2. B2 and 3 only
  3. C2 only
  4. D3 only

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Correct answer: B. 2 and 3 only

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