Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
30th March 2021
- 1Organic Chemistry
State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
- 2Alkanes, Alkenes and Crude Oil
State the type of reaction that occurs when bromine adds across the double bond of an alkene.
- 3Alcohols, Carboxylic Acids and Polymers
Name the two methods used to produce ethanol industrially.
- 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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