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Learning objective

Identify bases as metal oxides or hydroxides, and recognize that alkalis are soluble bases.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryAcids, bases and saltsCore content

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Quick explanation

Identify bases as metal oxides or hydroxides, and recognize that alkalis are soluble bases

  • This point belongs to The characteristic properties of acids and bases, especially The characteristic properties of acids and bases outcomes.
  • You need to be able to identify bases as metal oxides or hydroxides, and recognize that alkalis are soluble bases.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect The characteristic properties of acids and bases outcomes to exam-style questions, flashcards, and revision notes for The characteristic properties of acids and bases.

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