Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
7th December 2023
- 1Concentration, Yield and Atom Economy
Convert 250 cubic centimetres into cubic decimetres.
- 2Chemical Changes
State the name given to a reaction in which a substance loses electrons.
- 3Reactivity, Acids and Salts
Explain the difference between a strong acid and a concentrated acid.
- 4Electrolysis
In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
- 5Energy Changes
Explain, in terms of bonds, why breaking bonds is an endothermic process.
You are looking at an earlier sheet. Today's sheet is the one that adds a day.
Your run is kept in this browser only, and there is no account.
Recent GCSE Science sheets
Every sheet is deterministic: the same date always regenerates the same five questions. All of December 2023, including the monthly compilation PDF.