Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

15th September 2023

5 questions · GCSE · 584 questions in this band

1
Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
2
Chemical Bonding: Ionic, Covalent and Metallic
Give the charge on an ion formed by a group 2 element.
3
Structures, Properties and Nanoparticles
Why does simple molecular carbon dioxide have a much lower melting point than giant covalent silicon dioxide?
4
Quantitative Chemistry
Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
5
Moles, Formulae and Equations
State the value of the Avogadro constant and what it counts.

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 September 2023, including the monthly compilation PDF.