Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

6th September 2022

5 questions · GCSE · 584 questions in this band

1
Alkanes, Alkenes and Crude Oil
State the type of reaction that occurs when bromine adds across the double bond of an alkene.
2
Alcohols, Carboxylic Acids and Polymers
Name the two methods used to produce ethanol industrially.
3
Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
4
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.
5
Chromatography and Instrumental Analysis
Write the formula for calculating an Rf value.

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