Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
17th November 2017
- 1Chromatography and Instrumental Analysis
A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
- 2Chemistry of the Atmosphere
State the approximate percentage of nitrogen in today's atmosphere.
- 3The Atmosphere: Evolution and Greenhouse Gases
State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 4Climate Change and Atmospheric Pollutants
Explain how solid carbon particulates released by combustion can cause global dimming.
- 5Physics Equations: Recall, Rearrangement and Application
State the equation for work done.
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