O-LevelChemistryAcids, Bases & Salts5070/12 · May/June 2018 · Q221 Mark

Lead(II) oxide, PbO, reacts with dilute nitric acid, neutralising the acid. Lead(II) oxide also reacts with aqueous sodium hydroxide, neutralising the alkali. Which word best describes lead(II) oxide?

Aacidic

Balkaline

Camphoteric

Dbasic

✓ Correct answer

C: amphoteric

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 22.

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