WAEC Chemistry Practical Questions and Answers 2022 is now release for the May/June 2022. WAEC Chemistry Answers (100%legit) verified Free (Expo) for West African Examinations Council. WAEC Chemistry Practical Questions For you to have good WAEC result in Chemistry as well as repeated questions for free in this post. You will also understand how WAEC Chemistry practical questions are set and how to answer them. The West African Examinations Council is an examination board established by law to determine the examinations required in the public interest in the English-speaking West African countries, to conduct the examinations and to award certificates comparable to those of equivalent examining authorities internationally.
All your burette readings (initials and final) as well as the size of your pipette must be recorded but no account experiment procedure is required. all calculations must be done in your answer booklet.
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Use your school endpoints to avoid being a scapegoat. Your teacher will be the one to report, any endpoint reported by him will be taken as an accurate result. Shine your eyes while copying. Goodluck
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WAEC 2022 CHEMISTRY PRACTICAL
(1)
INSTRUCTIONS
(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 labeled:
(i) 10% dilute sodium hydroxide solution
(ii) dilute hydrochloric acid
(iii) dilute trioxonitrate(v) acid
(iv) silver trioxonitrate(v) acid
(v) acidified potassium dichromate solution
(vi) aqueous ammonia
(vii) lime water
(viii) red and blue litmus paper
(ix) dilute tetraoxosulphate(vi)
(x) aqueous barium chloride
(e) Spatula
(f) Filtration apparatus,
(g) One beaker
(h) One boiling tube
(i) Four test tubes
(j) Starch solution indicator
(k) Glass rod
(l) Wash bottle containing distilled/deionized water,
(m) Burning splint,
Watch glass
(o) Bunsen Burner/source of heat
(p) Droppers
(3)
(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 kl 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 spatulaful of ammonium ferrous sulphate, (NH4)2Fe(SO4)2.6H2O in a specimen bottle labeled ‘Cn’.
This must be the same for all candidates
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For those that would like to see the question paper, you can click on the link below:
2022 WAEC Chemistry Practical Answers below 👇👇
