Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

20th December 2024

5 questions · GCSE · 584 questions in this band

1
Reversible Reactions and Equilibrium
In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
2
Organic Chemistry
Define the term 'hydrocarbon'.
3
Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
4
Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
5
Chemical Analysis
A solid gives a lilac flame test. Name the metal ion present.

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 December 2024, including the monthly compilation PDF.