chemistry p2 practical instructions.pdf

PRACTICAL INSTRUCTIONS 545/2&3 Inst. Sch. CONFIDENTIAL This information is given only to facilitate preparation of examination. Great care should be taken that the information given below does not reach the candidates either directly or indirectly. INSTRUCTIONS FOR PREPARING CHEMICALS AND APPARATUS The head teacher must ensure that the teacher responsible for preparing the chemicals and apparatus hands in his/her trail results properly sealed in a separate envelope and firmly fastened (attached) to the candidates’ scripts envelop(s). 545/2&3 Inst. Sch. CHEMISTRY 2024 Uganda Certificate of Education UGANDA NATIONAL EXAMINATIONS BOARD © 2024 Uganda National Examinations Board Turn Over CHEMISTRY PRACTICAL INSTRUCTIONS BA1 is prepared by diluting 112cm3 of concentrated hydrochloric acid (1.18g/cm3, 36%) acid with distilled water to make one litre of solution. BA2 is prepared by dissolving 80g of Q, to make one litre with distilled water. 50 cm3 of BA1. 2 2 plastic beakers. 1 thermometer. 1 measuring cylinder of 50cm3 or 100 cm3. 1 burette. 2 conical flasks. 6 test tubes. 1 pipette of 25.0cm3 or 20.0cm3. 1 stop clock. 5 labels. 1. The description of the reagents and chemicals specified below does not necessarily correspond with the description in the question paper. Candidates must not be informed of the differences. 2. Candidates are not allowed to use reference books (i.e. text books, booklets on qualitative analysis etc.) during examination. 3. In addition to the fittings and