Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

18th June 2025

5 questions · GCSE · 584 questions in this band

1
Rate and Extent of Chemical Change
Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
2
Rates of Reaction
Explain how a catalyst increases the rate of a reaction without being used up.
3
Reversible Reactions and Equilibrium
State the catalyst commonly used in the Haber process.
4
Organic Chemistry
State the general formula of the alkanes.
5
Alkanes, Alkenes and Crude Oil
State the number of covalent bonds a carbon atom forms in a saturated hydrocarbon.

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