Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
5th March 2023
- 1Reversible Reactions and Equilibrium
In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 2Organic Chemistry
Define the term 'hydrocarbon'.
- 3Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
- 4Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
- 5Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.
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