Daily Practice · GCSE Science

Daily Practice - GCSE Science

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

8th November 2019

5 questions · GCSE · 584 questions in this band

1
Alcohols, Carboxylic Acids and Polymers
State what happens to the carbon-to-carbon double bond of an alkene monomer during addition polymerisation.
2
Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
3
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.
4
Chromatography and Instrumental Analysis
Write the formula for calculating an Rf value.
5
Chemistry of the Atmosphere
Name three greenhouse gases.

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