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Neco Gce 2014 Biology Pratical Full Answer @ www.WakaGist.Com

(1ai)
A mango fruit
B tridax fruit...
C combritum
(1aii)
A animal
B wind
C animal
(1aiii)
Mesocarp
Endorsed
(1aiv)
Drupe
(1bi)
earthworm
(1bii)
Annelida
(1biii)
I mouth
II clitelliun
III segment
IV anus

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Neco Gce Chemistry Pratical full Answer @ www.wakagist.com

(1i)
white paper,
burette,...
retort stand,
flat bottom flask

(1ii).
-Parallax error,
-instrumental error
-personal error

(1b)
(CA*22.5)/(0.1*25)=1/1
Ca=0.111 mol/dm3

1bii. 0.111= 4.05/rmm
rmm =36.5g/mol

1ci. By mixing the pellets of 0.28g in water
ii. Preparation of salts
production of fertilizer

=========================================

(2i). Green ppt
green ppt soluble in excess
fe2+ confirmed

(2ii). Fe2+ confirmed
(2iii). Brown ppt
(2iv). White ppt

2v. Zn2+, pb2+, al3+ suspected
vi. Zn2+ confirmed
vii. White ppt – zn2+ confirmed

2b. Release of ammonia

========================================

3ai chromatography
ii. Four iii. Cottonwool iv. IV 3bi.
CuSO4 ii. CaO ci. Silica gel and CaO
ii.drying agent
as absorbent

========================================

(9i.)white paper, burette, retort stand,
flat bottom flask
(ii) Parallax error, instrumental
error,personal error

(9b)
(CA×11.4)/(9.9×14)=9/9
Ca=9.999 mol/dm2.

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The Niger State Government, on Tuesday said its inability to pay the debt it owed the National Examination Council (NECO) was responsible for the non release of the 2013/2014 examination results of candidates from the state.
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