Daily Practice

GCSE Science

10th June 1983

5 questions · GCSE · 584 questions in this band

1
Tests for Ions, Gases and Flame Tests
A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
2
Chromatography and Instrumental Analysis
State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
3
Chemistry of the Atmosphere
Give two human activities that increase the amount of greenhouse gases in the atmosphere.
4
The Atmosphere: Evolution and Greenhouse Gases
Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
5
Climate Change and Atmospheric Pollutants
Give one piece of evidence used to link human activity to recent climate change.

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