Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

30th June 2019

5 questions · GCSE · 584 questions in this band

1
Chemical Analysis
Name the gas that relights a glowing splint.
2
Tests for Ions, Gases and Flame Tests
State the flame test colour for sodium ions.
3
Chromatography and Instrumental Analysis
State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.
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 June 2019, including the monthly compilation PDF.