Daily Practice · GCSE Science

Daily Practice - GCSE Science

2nd November 1998

5 questions · GCSE · 584 questions in this band

1
Rates of Reaction
Explain why increasing temperature increases the rate of a reaction, referring to both the frequency and the energy of collisions.
2
Reversible Reactions and Equilibrium
State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
3
Organic Chemistry
Name the process used to separate crude oil into fractions.
4
Alkanes, Alkenes and Crude Oil
Define the term 'homologous series'.
5
Alcohols, Carboxylic Acids and Polymers
Name the small molecule typically released as a by-product during condensation polymerisation.

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