Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
26th November 2022
- 1Bond Energies, Cells and Fuel Cells
State the two substances that react inside a hydrogen fuel cell.
- 2Rate and Extent of Chemical Change
State what is meant by a catalyst.
- 3Rates of Reaction
Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 4Reversible Reactions and Equilibrium
State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 5Organic Chemistry
Name the process used to separate crude oil into fractions.
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