Chemistry Paper 2 (Practical), WASSCE (SC), 2018

Candidates' Weakness and Suggested Remedies

 

 

Candidates

  • did not show basic understanding of simple concepts in Chemistry;
  • did not adhere to instructions as they relate to each question;
  • exhibited poor communication skill;
  • could not correctly define fermentation reaction;
  • wrote the formula of acid instead of name;
  • could not draw the graphical illustration of Charles’ law correctly;
  • could not write complete definition when required;
  • could not explain the chemistry behind the rate of corrosion of tin coated plate and a galvanized plate;
  • could not name two factors which determine the choice of an indicator for an acid-base titration;
  • could not draw and label a diagram for the laboratory preparation of a dry sample of sulphur(IV)oxide.

 

THE FOLLOWING REMEDIES WERE SUGGESTED FOR OVERCOMING THE WEAKNESSES

Candidates should:

  • identify the basic requirements of each question before answering;
  • learn to use the appropriate technical terms when required;
  • improve on their communication skills;
  • write correct and complete definitions when required;
  • be familiar with the examination syllabus;
  • learn how to write and balance chemical equations correctly;
  • learn how to write IUPAC names of compounds correctly;
  • improve on their study habit.