13003.03 [Turn over INSTRUCTIONS TO THE SUPERVISOR OF THE PRACTICAL EXAMINATION General 1. The instructions contained in this document are for the use of the Supervisor and are strictly confidential. Under no circumstances may information concerning apparatus or materials be given before the examination to a candidate or other unauthorised person. 2. In a centre with a large number of candidates it may be necessary for two or more examination sessions to be organised. It is the responsibility of the schools to ensure that there should be no contact between candidates taking each session. 3. A suitable laboratory must be reserved for the examination and kept locked throughout the period of preparation. Unauthorised persons not involved in the preparation for the examination must not be allowed to enter. Candidates must not be admitted until the specified time for commencement of the examination. 4. The Supervisor must ensure that the solutions provided for the candidates are of the nature and concentrations specified in the Apparatus and Materials List. 5. The Supervisor is to be granted access to the Teacher’s Copy of Practical Booklet A on Wednesday 4 May 2022. The Supervisor is asked to check, at the earliest opportunity, that the experiments and tests in the question paper may be completed satisfactorily using the apparatus, materials and solutions that have been assembled. This question paper must then be returned to safe custody at the earliest possible moment after the Supervisor has ensured that all is in order. No access to the question paper should be allowed before 4 May 2022. 6. Centres may need to carry out multiple sessions to accommodate all their candidates sitting Practical Booklet A in a laboratory. Supervision must take place from 30 minutes after the scheduled starting time of the examination, as set out in the timetable, until the time when the candidate(s) begin(s) their examination(s). This is in order to ensure that there is no contact with other candidates. The centre must appoint a member of staff from the centre to supervise the candidate(s) at all times while they are on the premises. 7. All apparatus should be checked before the examination, and there should be an adequate supply of spare apparatus in case of breakages. The Apparatus and Materials List should be regarded as a minimum and there is no objection to candidates being supplied with more than the minimum amount of apparatus and materials. 8. Candidates may not use text books and laboratory notes for reference during the examination, and must be informed of this beforehand.