Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
16th December 2014
- 1Organic Chemistry
Balance the equation for the complete combustion of methane: CH4 + O2 -> CO2 + H2O
- 2Alkanes, 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.
- 3Alcohols, Carboxylic Acids and Polymers
State the functional group found in all alcohols.
- 4Chemical Analysis
State the difference between a pure substance and a formulation.
- 5Tests 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.
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