Combined Science GCSE
Formation of useful by-products
What Formation of useful by-products means in Combined Science GCSE, as defined for AQA.
Definition of Formation of useful by-products
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Reference: AQA
In aqueous sodium chloride, hydrogen ions and chloride ions are discharged, leaving sodium ions and hydroxide ions in solution to form sodium hydroxide.
Topics that use Formation of useful by-products
- Electrolysis of aqueous solutions (AQA GCSE)
Related terms
- Anode
- Cathode
- Competing ions in aqueous electrolysis
- Competing ions in aqueous solutions
- Hypothesis
- Inert electrodes and electrode products
- Reactivity and ease of discharge
- Reactivity series and selective discharge
Using Formation of useful by-products in the exam
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