Bismilllah Hir Rahmanir Raheemm
CHEMISTRY PRACTICAL SPECIMEN FOR 2014 WAEC
In addition to the fittings and reagents
normally contained in a chemistry
laboratory, the following apparatus
and materials will be required by each
candidates: (a) One burette of 50cm^3 Capacity
(b) One pipette, either 20cm^3 or
25cm^3. 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 usually apparatus and reagent
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) acid (e) glass rod
(f) filtration apparatus
(g) spatula
(h) two boiling tube
(i) Four test tubes
(j) methyl orange indicator (k) wash bottle containing distilled/
deionized water
(l) mathematical table/calculator Candidates should be supplied with
the following:
(a) 150cm^3 of hydrochloric acid
solution in a corked flash or
bottle,labelled 'An'. These should all be
the same containing 9.0cm^3 of concentrated HCL (about 36% w/w)
per dm^3 of solution.
(b) 150cm^3 of Na2CO3 solution in a
corked flask or bottle labelled 'Bn'.
These should all be the same
containing 5.3g of Na2CO3 per dm^3
of solution. (c) One spatulaful of a uniform mixture
of NH4CL and ZnSO4 in a specimen
bottle labelled 'Cn'. The components of
the mixture should be in the ratio 1:1
by mass.
Title : CHEMISTRY PRACTICAL SPECIMEN FOR 2014 WAEC
Description : Bismilllah Hir Rahmanir Raheemm CHEMISTRY PRACTICAL SPECIMEN FOR 2014 WAEC In addition to the fittings and reagents normally contained...
