Acid–base theories written questions
Practise H1 Chemistry acid–base theories, conjugate pairs, pH and buffer explanations in written questions, then review answers with marking guidance.
Learning goals
- Explain and apply the Arrhenius theory of acids and bases
- Explain and apply the Brønsted–Lowry theory of acids and bases, including conjugate acids and bases
- Explain how strong and weak acids and bases behave differently because of how fully they dissociate
- Explain pH, Ka, Kb and Kw
- Calculate [H⁺(aq)] and pH for strong acids and strong bases
- Choose a suitable indicator for an acid–base titration from data and the strengths of the acid and base
- Explain how a buffer solution controls pH
- Describe and explain uses of buffer solutions, including how CO₃²⁻/HCO₃⁻ keeps ocean pH steady and how rising atmospheric CO₂ has acidified the oceans
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Paper instructions
Practise
Practise questions on the skills you are learning. This is for practice only and doesn’t count towards your course progress.
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