Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Rate and Extent of Chemical Change
State two units that the rate of a reaction can be measured in.
- 2Rates of Reaction
Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
- 3Reversible Reactions and Equilibrium
State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 4Organic Chemistry
Name the process used to separate crude oil into fractions.
- 5Alkanes, Alkenes and Crude Oil
Define the term 'homologous series'.
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