Daily Practice

GCSE Science

4th July 1981

5 questions · GCSE · 584 questions in this band

1
Organic Chemistry
Define the term 'hydrocarbon'.
2
Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
3
Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
4
Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
5
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.

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