Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
16th August 2023
- 1Reversible Reactions and Equilibrium
State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 2Organic Chemistry
Name the process used to separate crude oil into fractions.
- 3Alkanes, Alkenes and Crude Oil
Define the term 'homologous series'.
- 4Alcohols, Carboxylic Acids and Polymers
Name the small molecule typically released as a by-product during condensation polymerisation.
- 5Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
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