The practical session ought to be a bonus for science students if taken seriously, why some do, others are carefree with the paper, this information is centred on the reasons why Candidates fail WAEC Chemistry 2017 Practical as released by the council. Kindly adhere if you are prospective candidate.
The candidate’s weaknesses associated with performance include:
- cancellation and manipulation of titre values;
- inability to express answers to three significant figures;
- inconsistently reading burette to two decimal places;
- inability to record observations and give logical inferences;
- assigning wrong charges to ions.
WAEC suggested Remedies
The chief examiner suggested the following after cross-checking the flop of the students in order to curtail the academic menace
- candidates should be exposed to practical work early in their formative years;
- candidates should adhere strictly to instructions;
- teachers should prepare candidates adequately for the examinations;
- candidates should be taught how to record correct inferences showing the correct charges candidates should understand the demands of questions before responding to them.
Candidates’ Strengths
Candidates showed good knowledge and understanding of:
- tabulation of burette readings;
- calculation of the average volume of acid used;
- ability to carry out tests, record observations and inferences;
- application of formulae to calculate concentration of substances in moldm-3.
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