WAEC Chemistry Practical Specimen 2019/2020 for WASSCE may/june examination – 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 Africa countries.
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- WAEC Biology Practical Specimen for Nov/Dec 2019/2020,
- WAEC Agricultural Practical Specimen 2019/2020,
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- WAEC Chemistry Practical Specimen 2019/2020,
- WAEC Examination Timetable 2019/2020,
- WAEC Practical Question & Answers 2019/2020.
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WAEC 2019/2020 Chemistry Practical Specimen
In addition to the fittings and reagents normally contained in a chemistry laboratory, the following apparatus and materials will be required by each
(a) One burette of 50cm³ capacity;
(b) One pipette, either 20cm³ or 25cm³. 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) Red and blue litmus paper,
(ii) aqueous ammonia,
(iii) dilute hydrochloric acid,
(iv) dilute sodium hydroxide solution,
(v) barium chloride solution,
(vi) dilute trioxonitrate(v) acid,
(vii) silver trioxonitrate(v)solution,
(viii) Lime water
(e) glass rod;
(f) filtration apparatus,
(h) two boiling tubes,
(i) four test tubes,
(j) wash bottle containing distilled/deionized water,
(k) mathematical table/calculator.
+ Each candidate should be supplied with the following, where ‘n’ is the candidate’s serial number.
(a) 150cm³ of potassium tetraoxomanganate (VII)solution in a corked flask or bottled labelled
‘A’n. These should all be the same containing 7.7g of KMnO4 per dm³ of solution.
(b) 150cm³ of iron(II)chloride solution in a corked flask or bottle labelled ‘Nn’. These should all be the same containing 19.1g of FeCl2 per dm³ of solution.
FeCl2 solution should be freshly prepared.
– Each candidate should be provided with 150cm³ 2M H2SO4.
(c) One spatulaful of copper(II)chloride in a specimen bottle labelled ‘Cn’ and one spatulaful of ammonia carbonate in a specimen bottle labelled ‘Dn’.
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