Daily Practice · GCSE Science

Daily Practice - GCSE Science

20th September 1993

5 questions · GCSE · 584 questions in this band

1
Alkanes, Alkenes and Crude Oil
Describe the colour change seen when an alkene is shaken with bromine water.
2
Alcohols, Carboxylic Acids and Polymers
Name the carboxylic acid produced when ethanol is oxidised.
3
Chemical Analysis
Name the gas that relights a glowing splint.
4
Tests for Ions, Gases and Flame Tests
State the flame test colour for sodium ions.
5
Chromatography and Instrumental Analysis
State one advantage of running known reference substances alongside an unknown sample on the same chromatogram, rather than only comparing to published Rf values.

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