Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

25th March 2026

5 questions · GCSE · 584 questions in this band

1
Chemical Analysis
A solid gives a lilac flame test. Name the metal ion present.
2
Tests for Ions, Gases and Flame Tests
Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.
3
Chromatography and Instrumental Analysis
In a chromatography experiment, a dye spot travels 4.5 cm and the solvent front travels 6.0 cm. Calculate its Rf value.
4
Chemistry of the Atmosphere
State the approximate percentage of nitrogen in today's atmosphere.
5
The Atmosphere: Evolution and Greenhouse Gases
State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.

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 March 2026, including the monthly compilation PDF.