Here are 2017 waec gce Chemistry practical specimens
QUESTION 1
(1) The question states that; In addition to the fittings and reagents normally contained in a chemistry laboratory, the following apparatus and materials will be required by each candidate
1.(a) one burette of 50cm3 capacity
2.(b) one pipette, either 20cm3 or 25cm3.
3.(c) The usual apparatus for titration
4.(d) the usual apparatus and reagents for qualitative work including the following with all reagents appropriately labelled.Others includes HOT! ;- CLICK HERE TO GET 2018/2019 JAMB CBT RUNZ/EXPO
*.(i) glass rod
*.(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) dilute tetraoxosulphate (VI) acid
*.(e) glass rod
*.(f) filtration apparatus
*.(g) spatula
*.(h) two boiling tubes
*.(f) four test tubes
*.(g) wash bottle containing distilled/deionized water
*.(h) mathematical table/calculator.
QUESTIONS II
(2) Equally important, each candidate should be supplied with the following, where ‘n’ is the candidate’s serial number.
(a) 150cm3 of ethanedioic acid (H2C204) solution in a corked flask or bottled labelled ‘An’.
As a matter of fact, these should all be the same containing 4.50g of H2C204 per dm3 of solution.
(b) 150cm3 of potassium tetraoxomanganate (VII) solution in a corked flask or bottle labelled ‘Bn’.
Moreover, these should all be the same containing 3.16g of KMnO4 per dm3 of solution.
(c) One spatulaful of a uniform mixture of NaCl and ZnCO3 in a specimen bottle labelled ‘Cn’
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