waecE-LEARNING
Chemistry Paper 3,Nov/Dec 2011  
Questions:   1 2 3   Main
General Comments
Weakness/Remedies
Strength






strength

A good number of the candidates demonstrated good knowledge of:

  • stochiometric calculations;
  • significant figures;
  • units;
  • basicity of acid;
  • characteristics tests for organic functional groups;
  • separation techniques;
  • theoretical concepts behind experimental procedures;
  • appropriate organic reagents and experimental conditions needed for the identification of functional groups such as: hydroxyl, carboxyl, carbon-carbon triple bond, aldehyde group;
  • basic separation/purification techniques of impure substances;
  • drawing logical conclusions from observations.
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