Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

22nd March 2023

5 questions · GCSE · 584 questions in this band

1
Alcohols, Carboxylic Acids and Polymers
State the functional group found in all alcohols.
2
Chemical Analysis
Which reagent is added, and in what colour change, to test for chlorine gas?
3
Tests for Ions, Gases and Flame Tests
Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
4
Chromatography and Instrumental Analysis
A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
5
Chemistry of the Atmosphere
Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.

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