Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
27th December 2019
- 1Alkanes, Alkenes and Crude Oil
Propene (C3H6) reacts with steam in the presence of a catalyst. Name the catalyst, and name the type of compound formed.
- 2Alcohols, Carboxylic Acids and Polymers
State the functional group found in all alcohols.
- 3Chemical Analysis
State the difference between a pure substance and a formulation.
- 4Tests for Ions, Gases and Flame Tests
A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 5Chromatography and Instrumental Analysis
Explain why the baseline is drawn in pencil rather than ink.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of December 2019, including the monthly compilation PDF.