Daily Practice · GCSE Science

Daily Practice - GCSE Science

3rd September 1997

5 questions · GCSE · 584 questions in this band

1
Chromatography and Instrumental Analysis
Explain why the baseline is drawn in pencil rather than ink.
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
Explain why burning a fuel can produce nitrogen oxides even if the fuel itself contains no nitrogen.
5
Physics Equations: Recall, Rearrangement and Application
A device transfers 4500 J in 90 s. Calculate its power.

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