Candidates' Weakness

The few candidates that did not respond well were reported to lack the ability to:

1. use measuring instruments with required accuracy;
2. make deductions and comment appropriately based on available facts. 

(b)Suggested Remedy
The suggested remedies were that candidates should be exposed more to 
laboratory experiments using the appropriate components and:

1. pay more attention to use of measuring instruments;
2. be taught how to make deductions from experiments performed.