CHEMISTRY 2A ACTUAL PRACTICAL FORM FOUR MADABA DISTRICT MOCK EXAMINATION

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