Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
7th October 2022
- 1Reactivity, Acids and Salts
Define oxidation in terms of electrons.
- 2Electrolysis
Aqueous copper sulfate solution is electrolysed using inert graphite electrodes. State the products formed at (a) the cathode and (b) the anode, giving a reason for each.
- 3Energy Changes
Give one everyday example of an endothermic process.
- 4Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.
- 5Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
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