Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
30th March 2010
- 1Organic Chemistry
Define the term 'hydrocarbon'.
- 2Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
- 3Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
- 4Chemical Analysis
State the difference between a pure substance and a formulation.
- 5Tests for Ions, Gases and Flame Tests
A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
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