THE UNITED REPUBLIC OF TANZANIA

PRESIDENT’S OFFICE REGIONAL ADMINISTRATION AND LOCAL GOVERNMENT

MADABA DISTRICT COUNCIL

MOCK EXAMINATION CHEMISTRY FORM FOUR

032/2 CHEMISTRY 2A ACTUAL PRACTICAL

24 HOURS ADVANCED INSTRUCTIONS

 

 

  1. IMPORTANT
    1. GREATER CARE MUST BE TAKEN NOT TO DIVULGE THESE INSTRUCTIONS TO BOTH CANDIDATES AND UNAUTHORIZED PERSONNEL EITHER DIRECTLY OR INDIRECTLY
    2. NOTE THAT YOU WILL NOT BE ALLOWED TO OPEN THE ENVELOPE CONTAINING THE QUESTION PAPER BEFORE THE TRUE OF COMMENCEMENT OF THE EXAMINATION
  2. PREPARATION AND CABELLING OF CHEMICALS

    Please prepare the following and make available to each candidate

    1. Question 1
  • Dissolve 4g of sodium hydroxide pellets in distilled water to make one litre of the solution and label it BB. Provide 200cm3 of the solution to each candidate
  • Prepare 0.1m of acetic acid using dilution formula and label it AA. Give 200cm3 of the solution to each candidate
  • Dilute phenolphthalein and methyl orange powder to obtain solutions; Label them as P.O..P and M.O provide them to the candidates to be shared
  1. Question 2

    Label lead carbonate as EE. Provide 2g of it to each candidate

    Note: Remember to provide all necessary apparatii and qualitative sheet as per previous NECTA checklist instruction

    NOTE TO THE EXAMINATION SUPERVISOR AND SUBJECT TEACHER OR HEAD OF DEPARTMENT

     

    The subject teacher or lead of chemistry department should perform experiments for question ONE immediately after students have finished the session of the examination and submit it to the head of school with candidates answer sheets

     

    THIS 24 HOURS INSTRUCTINS SHOULD BE OPENED ONE DAY BEFORE EXAMINATION

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