Daily Practice

GCSE Science

1st May 1988

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
Which reagent is added, and in what colour change, to test for chlorine gas?
4
Tests for Ions, Gases and Flame Tests
Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
5
Chromatography and Instrumental Analysis
A sample produces only one spot when run in three different solvents. What does this suggest about the sample?

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