Daily Practice · GCSE Science

Daily Practice - GCSE Science

8th April 1997

5 questions · GCSE · 584 questions in this band

1
Chemical Analysis
Describe the result of the test for carbon dioxide.
2
Tests for Ions, Gases and Flame Tests
A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
3
Chromatography and Instrumental Analysis
State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
4
Chemistry of the Atmosphere
Give two processes that removed carbon dioxide from the early atmosphere.
5
The Atmosphere: Evolution and Greenhouse Gases
Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.

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