Acids, bases and salts
Free ESAT Chemistry lesson. Worked examples, common mistakes and a self-check.
What the lesson covers
- What is an acid?
- Bases and alkalis
- Strength, concentration and the pH scale
- Reactions of acids
- Neutralisation, ionic equations and energy
- Making a soluble salt
- Indicators and titration
- Putting it together: reading acid questions
- Self-check questions with answers (8)
Specification: C9.1-9.3. Codes follow the UAT-UK ESAT content specification.
How to use it
- Read a section, then cover the worked example and try it yourself.
- Check the common mistakes list: these are the slips the real test is built to catch.
- Do the self-check without looking back. Mark it against the answers.
- Then practise the topic under time, with the matching practice set.
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