Candidates' Weakness and Suggested Remedies
Candidates’ weaknesses were as follows:
Inability to:
- write half-cell equation for the reaction at the anode in an electrolytic set-up;
- solve electrolytic related calculations;
- write a balanced equation for the reaction between named oxides of sulphur
and water;
- describe the observation that would be made when sulphur is heated from room temperature till 119°C;
- name two gaseous pollutants that can be generated by burning coal.
The following remedies were suggested:
- candidates should read and understand the rubrics of the questions before responding to them.
- candidates should learn how to explain concepts using appropriate technical terms.
- candidates should learn how to write legibly;
- candidates should be given classwork and homework for continuous assessment;
- teachers should cover the teaching syllabus before the paper is taken;
- instructional aid should be used for teaching students to reinforce learning.