Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

14th May 2025

5 questions · GCSE · 584 questions in this band

1
Chemical Bonding: Ionic, Covalent and Metallic
Define a covalent bond.
2
Structures, Properties and Nanoparticles
Explain why graphite conducts electricity but diamond does not.
3
Quantitative Chemistry
Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
4
Moles, Formulae and Equations
Define the limiting reactant.
5
Concentration, Yield and Atom Economy
Why do companies prefer reactions with a high atom economy?

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