Daily Practice · GCSE Science
Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
← All tiers
23rd October 2011
- 1Concentration, Yield and Atom Economy
State two reasons why a percentage yield is less than 100 percent.
- 2Chemical Changes
State the name given to a reaction in which a substance loses electrons.
- 3Reactivity, Acids and Salts
Complete: acid + metal carbonate gives ...
- 4Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 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 October 2011, including the monthly compilation PDF.