Chemistry · Oct / Nov 2023 · Paper 11 · Question 21
5070Oxides
Which two oxides will both react with aqueous sodium hydroxide?
- Acalcium oxide and copper(II) oxide
- Bcalcium oxide and zinc oxide
- Ccopper(II) oxide and sulfur dioxide
- Dsulfur dioxide and zinc oxide
As printed in the paper
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Correct answer: D. sulfur dioxide and zinc oxide
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