Daily Practice

GCSE Science

20th February 1989

5 questions · GCSE · 584 questions in this band

1
Organic Chemistry
Name the process used to separate crude oil into fractions.
2
Alkanes, Alkenes and Crude Oil
Define the term 'homologous series'.
3
Alcohols, Carboxylic Acids and Polymers
Name the small molecule typically released as a by-product during condensation polymerisation.
4
Chemical Analysis
A solid gives a lilac flame test. Name the metal ion present.
5
Tests for Ions, Gases and Flame Tests
Write the ionic equation for the precipitation reaction between barium ions and sulfate ions.

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