Daily Practice · GCSE Science

Daily Practice - GCSE Science

4th May 1995

5 questions · GCSE · 584 questions in this band

1
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.
2
Chromatography and Instrumental Analysis
Write the formula for calculating an Rf value.
3
Chemistry of the Atmosphere
Name three greenhouse gases.
4
The Atmosphere: Evolution and Greenhouse Gases
Explain, in terms of gas molecules, why methane and water vapour, as well as carbon dioxide, are described as greenhouse gases.
5
Climate Change and Atmospheric Pollutants
Explain why carbon monoxide is dangerous even though it has no smell.

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