2023 WAEC Chemistry Questions And Answers ( May/June ).
2023 WAEC chemistry specimens. 2023/2024 Waec Chemistry practical specimens. Waec 2023 May/June Chemistry Specimens.
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WAEC 2023 CHEMISTRY PRACTICAL SPECIMEN
APPARATUS AND MATERIALS REQUIRED:
(a) One burette of 50cm³ capacity
(b) One pipette either 20cm³ or 25cm³(All candidates at one centre must use pipette 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 appropriate labelled;
(i) 10% 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)
(x) aqueous barium chloride
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