Answers to WAEC Chemistry practical specimen 2024. WAEC Chemistry specimen for practical 2024/2025 with complete solutions. See the 2024 WAEC Chemistry practical specimen answers Alternative A and Alternative B that will help boost your score and your overall performance in Chemistry Practical 2024 below.
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WAEC Chemistry Practical Specimen 2024 With Solution
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Complete Chemistry Specimen for WAEC 2024 – Apparatus
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 labeled;
(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.
(e) Spatula
(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
(p) droppers.
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.
WAEC Chemistry Practical Specimen Answers 2024
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