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O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2023 · Q201 Mark

Information about three oxides, Q, R and T, is given. Q reacts with dilute sulfuric acid to form a salt and water. R reacts with both acids and bases to form a salt and water. T reacts with aqueous sodium hydroxide to form a salt and water. Using only this information, which row correctly classifies the three oxides?

Aacidic, amphoteric, basic
Bamphoteric, basic, acidic
Cbasic, acidic, amphoteric
Dbasic, amphoteric, acidic

✓ Correct answer

D: basic, amphoteric, acidic

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About this question

Topic
Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 20.

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