Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

16th January 2026

5 questions · GCSE · 584 questions in this band

1
Chemical Changes
Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
2
Reactivity, Acids and Salts
Name the salt made from zinc oxide and nitric acid.
3
Electrolysis
State the name given to the negative electrode in electrolysis.
4
Energy Changes
A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
5
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an endothermic reaction.

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