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Learning objective

Explain that some metal oxides dissolve in water to form alkaline solutions.

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Topic

Reactivity of metals

Subtopic

Metal oxides

Aqa Gcse ChemistryChemical changes

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Quick explanation

Explain that some metal oxides dissolve in water to form alkaline solutions

  • This point belongs to Reactivity of metals, especially Metal oxides.
  • You need to be able to explain that some metal oxides dissolve in water to form alkaline solutions.
  • The key ideas to know are alkali and metal oxide.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

alkalimetal oxide

Why it matters

This objective helps connect Metal oxides to exam-style questions, flashcards, and revision notes for Reactivity of metals.

Quick student answer

How do you explain some metal oxides dissolve in water to form alkaline solutions?

Direct answer

In Chemistry, this page helps you answer questions about some metal oxides dissolve in water to form alkaline solutions within Reactivity of metals. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are alkali and metal oxide.

Key terms

  • alkali: A substance that dissolves in water to produce hydroxide ions (OH-), resulting in an alkaline solution.
  • metal oxide: A compound formed from the reaction of a metal with oxygen, which can exhibit basic properties.

Common trap

Misunderstanding Metal Oxide Solutions: Focus on memorizing which specific metal oxides are known to dissolve in water to produce alkaline solutions, such as sodium oxide and potassium oxide.

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Question 1

For Metal oxides, which electrolysis focus answer best supports this Unit 4.4 objective: Explain that some metal oxides dissolve in water to form alkaline solutions?

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