Precipitate
What Precipitate means in Combined Science GCSE, as defined for AQA.
Definitions of Precipitate
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Precipitate in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A fine white solid suspended in the liquid, formed when carbon dioxide reacts with calcium hydroxide and making the limewater milky or cloudy.
What the dissolved salt does when it exceeds its solubility, coming out of solution as solid crystals.
An insoluble product that forms a solid in solution and is labelled (s).
Topics that use Precipitate
- Soluble salts (AQA GCSE)
- State symbols (AQA GCSE)
- Test for carbon dioxide (AQA GCSE)
Related terms
- Crystallisation
- filtrate
- filtration
- gentle evaporation
- Solubility limit
- State symbols
- Calcium carbonate
- Cloudiness
Using Precipitate in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge