Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

6th March 2026

5 questions · GCSE · 584 questions in this band

1
Concentration, Yield and Atom Economy
Give the formula for percentage yield.
2
Chemical Changes
State the pH value of a neutral solution.
3
Reactivity, Acids and Salts
Give the ionic equation for neutralisation.
4
Electrolysis
State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
5
Energy Changes
Using the values in the previous question, calculate the overall energy change for the reaction.

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