2022 Waec Chemistry Practical Specimen Questions For all Candidates
2022 Waec Chemistry practical specimen questions: If you are a candidate who is in search for 2022 Chemistry practical specimen then you are at the right website because we try to make sure all our audience study hard to pass with proper information.
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WAEC Chemistry Specimen 2022: This page contains a list of chemicals, Apparatus, and Materials that will be used for the May/June 2022 CHEMISTRY Practical. All you need to do is to stay focus and follow me.
The West African Examinations Council is an examination board that conducts the West African Senior School Certificate Examination, for University and Jamb entry examination in West African countries.
WAEC 2022 CHEMISTRY PRACTICAL SPECIMEN
In addition to the fittings and reagents normally found in a chemistry laboratory, the following apparatus and materials will be required by each candidate.
WAEC 2022/2023 CHEMISTRY PRACTICAL SPECIMENS AND INSTRUCTIONS TO SCHOOLS
(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
(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,
(n) Watch glass
(o) Bunsen Burner/source of heat
(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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