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Below Is The Specimens For Chemistry, Physics, Biology, Agric Practical.
CHEMISTRY PRACTICAL SPECIMENS
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
(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
* Each candidate should be supplied with the following, where n is the candidates serial number.
(a) 150cm³ of iodine in a corked flask or bottle labelled ‘An‘. These should all be the same containing 25.4g of l2 in 6.0kl per dm³ of solution.
(b) 150cm³ of solution thiosulphate pebtahydrate solution in a corked flask or bottle labelled ‘Bn‘. These should all be the same containing 24.82g of Na2S2O3 per dm³ of solution.
(c) One spatulaful of ammonia ferrous sulphate, (NH4)2 Fe(SO4)2 . 6H2O in a specimen bottle labelled ‘Cn‘.
This must be the same for all candidates.
PHYSICS PRACTICAL SPECIMENS
-A piece of string
-A weighing balance
-A weight hanger
– A set of masses, M = (20g, 40g, 60g, 80g and 100g)
-Deep transparent vessel filled with water
-Standand Masses, m = (2g, 5g and 10g)
-A piece of string
-Forceps (To be used to pick masses placed inside the boiling tube)
-Source of heating
(a) Test tube or boiling tube of the following dimensions:
Length: at least 14cm
External diameter: 2.5cm
The teacher should:
(b) Use starch to fix a strip of graph sheet marked in centimeters inside the boiling tube or test tube. The 0 centimeter mark of the scale should be at the bottom of the tube.
(c) Place sufficient amount of dry sand or lead shot in the test tube or boiling tube to make it just float, when that is done, pour it into a small polythene and seal it. Push the sealed sand or lead shot to the bottom of the tube.
-2 dry cells(1.5v each) connected in series;
-Connecting leads should be provided for the battery
-Ammeter(0 – 2A)
-Standard resistor, R of resistance 2ohms
BIOLOGY PRACTICAL SPECIMENS
Specimen A – Weevil-damaged bean seed
Specimen B – Viable bean seed
Specimen C – Dried maize grain soaked in water overnight
Specimen D – Soldier termite (dead)
Specimen E – Honeybee (dead)
Specimen F – Muddy water (in a test tube)
Specimen G – Lower jaw of a herbivore with teeth intact
Specimen H – Head of domestic fowl (complete)
Specimen J – Quill feather
Specimen K – Leg of domestic fowl (complete) Specimen L – Head of duck complete)
Specimen M – Leg of duck (complete)
NOTE: All specimens can be provided as group specimens for five (5) to ten (10) candidates
All specimens in each group must carry individual labels
(eg A, B, C, D, E, F and G in Group I). It is essential that each candidate should be provided with the following materials:
(i) glass jar cover Petri dish;
(ii) white tiles.
(iv) a hand lens/magnifying lens
(v) scalpel/razor blade/knife,
(vi) a pair of forceps
(vii) lodine solution.
AGRIC SCIENCE PRACTICAL SPECIMENS
Specimen A – Feeding trough
Specimen B – Burdizzo (real/picture/diagram)
Specimen C – Neck/collar tag
Specimen D – Spanner
Specimen E – Kerosine lamp
Specimen F – Inorganic fertilizer (superphosphate) (labelled)
Specimen G – Compost (labelled)
Specimen H – Farmyard manure (labelled)
Specimen I – Groundnut seeds (unshelled)
Specimen J – Cotton lint
Specimen K – Oil palm fruit
Specimen L – Rubber latex (labelled)
Specimen M – Crop (Poultry)
Specimen N – Gizzard (longitudinal section with its contents)
Specimen O – Rumen
Specimen P – Small intestine
Specimen Q – Liver
ANIMAL HUSBANDRY PRACTICAL SPECIMENS
Specimen A – Fresh centrosema plant
Specimen B – Guinea grass (fresh)
Specimen C – Palm oil (labelled)
Specimen D – Hoof
Specimen E – Horn
Specimen F – Feather
Specimen G – Common salt (labelled)
Specimen H – Maize grains
Specimen I – Powdered milk
Specimen J: Groundnut cake
Specimen K – Water (labelled)
Specimen L – Restraining rope.
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