Download the the correct 2022/2023 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 2022 – Apparatus
(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 50cm3 of capacity
(b) One pipette, either 20cm3 or 25cm3 (All candidates at one center 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(v) acid
(iv) silver trioxonitrate(v) solution.
(v) acidified potassium dichromate solution.
(vi) aqueous ammonia.
(vii) lime water.
(viii) red and blue litmus paper.
(ix) dilute tetraoxosulphate(vi) acid.
(f) filtration apparatus.
(g) one beaker
(h) one boiling tube
(i) four test tubes.
(j) Methyl orange as an indicator.
(k) mathematical table/calculator
(l) wash bottle containing distilled/deionized water.
(m) a burning splint
(n) watch glass
(o) bunsen burner/source of heat
Each candidate should be supplied with the following where n is the candidate’s serial number.
(a) 150cm₃ of iodine solution in a corked flask or bottle labeled ‘An’. These should all be the same containing 25.4g of I₂ in 6.0g KI per dm₃ of solution.
(b) 150cm₃ of sodium thiosulphate pentahydrate solution in a corked flask or bottle labeled ‘Bn’. These should all be the same containing 24.82g of Na₂S₂O₃ per dm₃ of solution.
(c) One spatula of ammonium ferrous sulphate, (NH₄)₂Fe(SO₄)₂.6H₂O in a specimen bottle labeled ‘Cn’. This must be the same for all candidates.
NOTE: All WAEC Chemistry practical questions and answers will be posted here for free. Keep reloading this page for the correct answers
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.