Daily Practice · GCSE Science

Daily Practice - GCSE Science

26th May 1997

5 questions · GCSE · 584 questions in this band

1
Rate and Extent of Chemical Change
State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
2
Rates of Reaction
Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
3
Reversible Reactions and Equilibrium
State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
4
Organic Chemistry
Name the process used to separate crude oil into fractions.
5
Alkanes, Alkenes and Crude Oil
Define the term 'homologous series'.

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