Making salts
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Why this why now
This unit builds on pupils’ prior learning from Acids and bases, where they explored the properties and reactions of acids and alkalis. It deepens their understanding by focusing on the formation of salts through reactions between acids and bases, and neutralisation. This prepares pupils for the next unit, Electrolysis, where they will apply their knowledge to separate substances using electric current, reinforcing their understanding of chemical reactions and practical applications of salts and ionic compounds.
Prior knowledge requirements
- Some acids are corrosive and can burn skin.
- A base is a substance that reacts with acids and neutralises them to stop them being acidic.
- An alkali is a base that is dissolved in water.
- The neutralisation reaction is: acid + base → salt + water
- When hydrochloric acid is neutralised, a chloride salt is formed.
- When sulphuric acid is neutralised, a sulfate salt is formed.
- When nitric acid is neutralised, a nitrate salt is formed.
- Metal + acid → salt + hydrogen
- Metal hydroxide / metal oxide + acid → salt + water
- Metal carbonate + acid → salt + water + carbon dioxide
Threads
Why this why now
This unit builds on pupils’ prior learning from Acids and bases, where they explored the properties and reactions of acids and alkalis. It deepens their understanding by focusing on the formation of salts through reactions between acids and bases, and neutralisation. This prepares pupils for the next unit, Electrolysis, where they will apply their knowledge to separate substances using electric current, reinforcing their understanding of chemical reactions and practical applications of salts and ionic compounds.
Prior knowledge requirements
- Some acids are corrosive and can burn skin.
- A base is a substance that reacts with acids and neutralises them to stop them being acidic.
- An alkali is a base that is dissolved in water.
- The neutralisation reaction is: acid + base → salt + water
- When hydrochloric acid is neutralised, a chloride salt is formed.
- When sulphuric acid is neutralised, a sulfate salt is formed.
- When nitric acid is neutralised, a nitrate salt is formed.
- Metal + acid → salt + hydrogen
- Metal hydroxide / metal oxide + acid → salt + water
- Metal carbonate + acid → salt + water + carbon dioxide
Chemistry
Making salts
This unit explores empirical formulae, balanced chemical and ionic equations, gas identification, acid reactions, and pH as a measure of hydrogen ion concentration. It covers separation techniques and focuses on planning experiments, accurate measurements, safety, and communicating findings.
12 lessons in unit
slide decks, worksheet PDFs, quizzes and lesson overviews. You can select individual lessons from the Making salts unit and download the resources you need, or download the entire unit now. See every unit listed in our Edexcel secondary chemistry curriculum and discover more of our teaching resources for Edexcel secondary chemistry programmes.