Saturday, 4 June 2016

Neco Expo 2016 Biology Practical Answers, Agric Sience, Physics And Chemistry Practical Specimens




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PHYSICS SPECIMENS
QUESTION 1
-250ml measuring cylinder
-1liter of kerosene
-five masses 50g each
-vemier calliper
-sewing thread
QUESTION 2
-4 optical pin
-4 thumb pins
-plain sheet/drawing paper
-drawing board
QUESTION 3
-2resistor covered and labelled X
-resistance box
-key/switch
-ammerter 0-30A
-two dry cells each of e.m.f 1.5v
-connecting wires
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Chemistry specimens
a)one burette (50cm^3)
b)one pipette (20cm^3) or (25cm^3).however all candidate in a centre must use pipette of the same volume
c)the usual apparatus for filtration
d)the usual apparatus and reagents for qualitative work including
i)dilute sodium hydroxide solution
ii)dilute ammonia solution
iii)dilute hydrochloric acid
iv)barium chloride solution
v)distilled water
vi)red and blue litmus paper
vii)dilute trioxonitrate(v)acid
viii)concentrated tetraoxosulphate (vi) acid
ix) lime water
x) ammonium trioxocarbonate(iv)solution
xi)freshly prepared iron(ii)tetraoxosulphate(vi)solution
e)methyl orange
f)one boiling tube
g)five test tubes
h)source of heat
i)wash bottle containing distilled water
j)filtration apparatus
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Biolog specimens
A-termite
B-bee
C-cricket
D-pride of barbados(dry pod)
E-orange fruit
F-guava fruit
G-spider
H-tilapia fish(fresh/freshly preserved)
I-african giant snail
J-irish potato(tuber)
K-sweet potato(tuber)
L-yam (tuber)
M-egg (albumen raw)
N-glucose monohydrate(1g)
O-benedict solution(2%)
P-potassium permanganet crystal (1g)
Q-millon’s reagent
R-skull small mammal
S-scapula bone
T-water
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Agric spec
A-headpan
B-garden line
C-knapsack sprayer
D-fishing basket
E-npk
F-polutry droppings
G-irish potato
H-ginger
I-onion
J-cocoyam
K-banana sucker
L-eat tag
M-animal skin

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