The weaknesses associated with the performance of candidates include:
- non-adherence to rubrics;
- poor communication skill;
- illegible handwritings;
- poor mathematical skills;
- lack of understanding of the demand of the questions;
- inability to outline a suitable procedure for the preparation of ZnCl2 crystals from zinc granules;
- non attachment of magnitude (sign/charges) to oxidation numbers;
- using formulae to express names of compounds;
- lack of understanding of the IUPAC nomenclature;
- inability to correctly write the complete reaction of ethyne with hydrogen bromide;
- inability to relate concepts in chemistry to everyday life;
- inability to give logical explanation on why an inflated balloon expands in water;
The weaknesses were attributed to lack of relevant textbooks, inadequate preparation for examination and non-familiarization with the prescribed examination syllabus.
The following remedies were however suggested to overcome the highlighted weaknesses.
Candidates should familiarize themselves with the requirements of the prescribed examination syllabus;
- adhere to rubrics;
- write legibly;
- improve their communication skills;
- acquire relevant text materials and cultivate the habit of visiting libraries;
- prepare adequately for the examination.