Chemistry Paper 3,Nov/Dec 2011  
Questions:   1 2 3   Main
General Comments


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.
Powered by Sidmach Technologies(Nigeria) Limited .
Copyright © 2015 The West African Examinations Council. All rights reserved.