Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

26th August 2024

5 questions · GCSE · 584 questions in this band

1
Electrolysis
In the industrial extraction of aluminium, explain why the aluminium oxide is dissolved in molten cryolite rather than melted on its own.
2
Energy Changes
Give one everyday example of an endothermic process.
3
Exothermic and Endothermic Reactions
State the energy transfer that occurs during an exothermic reaction.
4
Bond Energies, Cells and Fuel Cells
State one factor that affects the size of the voltage produced by a chemical cell.
5
Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.

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