Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
7th September 2025
- 1Reactivity, Acids and Salts
State what is observed when magnesium ribbon is added to copper sulfate solution.
- 2Electrolysis
State the name given to the negative electrode in electrolysis.
- 3Energy Changes
State whether the combustion of methane is exothermic or endothermic.
- 4Exothermic and Endothermic Reactions
On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
- 5Bond Energies, Cells and Fuel Cells
State the difference between a rechargeable cell and a non-rechargeable cell.
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