Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

28th October 2025

5 questions · GCSE · 584 questions in this band

1
Alkanes, Alkenes and Crude Oil
State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.
2
Alcohols, Carboxylic Acids and Polymers
State the functional group found in all carboxylic acids.
3
Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
4
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.
5
Chromatography and Instrumental Analysis
Write the formula for calculating an Rf value.

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.

Every sheet is deterministic: the same date always regenerates the same five questions. All of October 2025, including the monthly compilation PDF.