Daily Practice · GCSE Science

Daily Practice - GCSE Science

29th April 1996

5 questions · GCSE · 584 questions in this band

1
Chromatography and Instrumental Analysis
State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
2
Chemistry of the Atmosphere
State the approximate percentage of nitrogen in today's atmosphere.
3
The Atmosphere: Evolution and Greenhouse Gases
State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
4
Climate Change and Atmospheric Pollutants
Give one piece of evidence used to link human activity to recent climate change.
5
Physics Equations: Recall, Rearrangement and Application
Give the equation for wave speed and its units.

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