Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
29th August 2020
- 1Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
- 2Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
- 3Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 4Tests for Ions, Gases and Flame Tests
Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 5Chromatography and Instrumental Analysis
Explain why the solvent level in the container must be below the pencil baseline.
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 August 2020, including the monthly compilation PDF.