Daily Practice · GCSE Science

Daily Practice - GCSE Science

8th July 1995

5 questions · GCSE · 584 questions in this band

1
Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
2
Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
3
Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.
4
Tests for Ions, Gases and Flame Tests
Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
5
Chromatography and Instrumental Analysis
Explain why the solvent level in the container must be below the pencil baseline.

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