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CAIE IGCSE Chemistry Aluminium Oxide and Zinc Oxide

Practise identifying aluminium oxide and zinc oxide as amphoteric and using their reactions with both acids and alkalis to justify the classification.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • identify aluminium oxide and zinc oxide as the required amphoteric oxides
  • justify amphoteric classification by reaction with both acids and alkalis
  • distinguish amphoteric oxides from basic metal oxides and neutral carbon monoxide

7.2.3—Classify Al 2O3 and ZnO as amphoteric question 1

[Maximum number: 1]

Solid sodium hydroxide is a base which dissolves to form an aqueous solution, NaOH(aq).

Some metal oxides react with NaOH(aq).

Name a metal oxide which reacts with NaOH(aq).

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