Download the the correct 2023/2024 WAEC Chemistry Practical Specimen free PDF for today’s practical examination. All questions will be out from these approved specimen. Therefore, study them carefully.
This is to inform the general public that the West African Examination Council has approved and released a new WASSCE Chemistry practical specimen. In line with this, all Wassce candidates are expected to study these specimen and get ready for their examinations.
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WAEC Chemistry Practical Specimen 2023 – Apparatus
1. Great care should be taken to ensure that the information given in items 2 and 3 below does not reach the candidate either directly or indirectly before the examination.
2. In addition to the fittings and reagents normally found in a chemistry laboratory, the following apparatus and materials will be required by each candidate:
(a) One burette of 50 cm3 capacity;
(b) One pipette, either 20 cm3 or 25 cm3. (All candidates at one centre must use pipettes of
the same volume. These should be clean and free from grease)
(c) The usual apparatus for titration;
(d) The usual apparatus and reagents for qualitative work including the following with all reagents appropriately labelled;
(i) Dilute sodium hydroxide solution;
(ii) Dilute hydrochloric acid;
(iii) Dilute trioxonitrate
(iv) Silver trioxonitrate
(v) Acidified potassium dichromate solution;
(vi) Aqueous ammonia;
(vii) Lime water;
(viii) Red and blue litmus paper
(ix) Dilute tetraoxosulphate (VI) acid;
(x) Fehlings solution A & B.
(f) Filtration apparatus;
(g) One beaker
(h) One boiling tube;
(i) Four test tubes;
(j) Methyl orange as indicator;
(k) Glass rod;
(1) Wash bottle containing distilled/deionized water;
(m) Burning splint;
(n) Watch glass;
(o) Bunsen burner/source of heat;
(q) Mathematical table/calculator.
3. Each candidate should be supplied with the following, where ‘n’ is the candidate’s serial number
(a) 150 cm3 of a solution of HCI in a corked flask or bottle labelled ‘An’. These should all be the same containing 8.5 cm3 of concentrated HCI per dm3 of solution.
(b) 150 cm3 of Na2CO3.10 H20 in a cork flask or bottle labelled ‘Bn’. These should be the same containing 5.0 g of the hydrated per dm3 of solution.(c) One spatulaful of glucose in a specimen bottle labelled ‘Cn’. This must be the same for all candidates.
(d) One spatulaful of zinc oxide powder in a specimen bottle labelled ‘Dn’. This must be same for all candidate.
4. In all cases, more materials may be issued if required
5. The actual concentrations of A and B must be stated on the Supervisors report form.
The candidates will assume that the concentrations are exactly as stated in the question paper
6. It should be noted that schools are not allowed to amend the information provided on the question paper or substitute any substance/solution for those specified in these instructions
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ARRANGEMENT AND 2023 SERIAL NUMBERS OF WAEC CANDIDATES
7. The laboratory places should be numbered serially and the candidates should be allotted these places strictly in the order of their index numbers. The number of every specimen supplied to each candidate should be the same as his or her serial number.
8. If a candidate is absent, his or her serial number should not be allotted to another
9. If the candidate is divided into a number of sets, the serial numbers should be continued through the sets, so that no serial number repeated
10. At the beginning of the examination, it should be ensured that the candidates record their serial number as well as their index numbers on the front page of their answer
Conducting the WAEC Chemistry Practical Test – Instructions
11. The following announcements should be made to the candidates at the beginning of
the examination “The examiner does not want you to waste your time because you cannot proceed with an experiment. Any candidate, therefore, who cannot get on with the experiment after spending 15 minutes on it, may come to me and ask for help”
12. The Chemistry teacher should be allowed to give a hint to a candidate who is unable
to proceed with an experiment.
13. The following regulations must be strictly adhered to:
14. No hint should be announced to the candidates as a whole
15. A candidate who is unable to proceed and requires assistance must come up to you
and state his or her difficulty. The candidate should be told that the Examiner will be informed of any assistance given in any way.
16. A note must be made on the Report Form, of any kind of assistance given to any candidate, with the name and index number of the candidate.
17. Report Forms are provided separately, on which you are required to state the following:
18. Detailed information about the apparatus where necessary
19. Any particular difficulties experienced by any candidate, especially if the Examiner
would be unable to discover these from the scripts
20. Any departure from the specified items which could not be avoided
21. Any assistance is given to the candidate under the regulations explained in 5 above
22. In cases where several sets of apparatus are provided for a question and specific information about the apparatus is required by the Examiner, each piece of apparatus about which the information is required, and which may differ slightly for different candidates, must be clearly marked with letter A, B, C, etc. and the corresponding information must be clearly reported, showing which apparatus was supplied to which candidates. The candidate should be instructed to record these letters in scripts.
Also note that the practical examination is very important as it forms part of the marking scheme. Therefore, all science students are advised to take this examination as serious as possible.
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