Daily Practice · GCSE Science

Daily Practice - GCSE Science

27th May 1997

5 questions · GCSE · 584 questions in this band

1
Alcohols, Carboxylic Acids and Polymers
Name the small molecule typically released as a by-product during condensation polymerisation.
2
Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.
3
Tests for Ions, Gases and Flame Tests
Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
4
Chromatography and Instrumental Analysis
Explain why the solvent level in the container must be below the pencil baseline.
5
Chemistry of the Atmosphere
State the approximate percentage of nitrogen in today's atmosphere.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1997, including the monthly compilation PDF.