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[ Post UTME Begins ]:
View The List Of Schools That Have Released 2026 Post-UTME Forms.
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BASIC CHEMISTRY
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Introduction to the tetravalency of carbon
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2291
NaHCO
3(s)
can be distinguished from Na
2
CO
3(s)
by the action of
A.
dilute hydrochloric acid
B.
carbon (IV) oxide
C.
aqueous ammonia
D.
heat
View Answer & Discuss (2)
WAEC 2005
2292
What process is involved in the reaction represented by the following equation? AICI
3
+ 3H
2
O
(l)
→ AI(OH)
3(s)
+ 3HCI
(g)
A.
dehydration
B.
hydrolysis
C.
double decomposition
D.
Neutralization
View Answer & Discuss (2)
WAEC 2005
2293
A salt that absorbs moisture from the atmosphere without forming a solution is said to be
A.
efflorescent
B.
deliquescent
C.
hygroscopic
D.
insoluble
View Answer & Discuss (1)
WAEC 2005
2294
Consider the reaction represented by the equation below, xNH
3(g)
+ yCI
2(g)
→ zHCI
(g)
+ N
2(g)
The values of x,y and z are respectively
A.
2, 4, 6
B.
3, 2, 4
C.
2, 3, 6
D.
3, 2 6
View Answer & Discuss (1)
WAEC 2005
2295
Which of the following compounds dissolves readily in water?
A.
BaSO
4
B.
CuSO
3
C.
NH
4
CI
D.
AgCI
View Answer & Discuss
WAEC 2005
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