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[ Post UTME Begins ]:
View The List Of Schools That Have Released 2026 Post-UTME Forms.
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Matter and Separation Techniques
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BASIC CHEMISTRY
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chemical symbols, formulae, equations and their uses
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Introduction to the tetravalency of carbon
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3091
An aqueous solution of (NH4)2 SO4 is
A.
Acidic
B.
Alkaline
C.
Amphoteric
D.
Neutral
View Answer & Discuss (6)
WAEC 2016
3092
When NH
4
Cl
(s)
is dissolved in water, the container feels cold to touch. This implies
A.
The process is endothermic
B.
The process is exothermic
C.
NH
4
Cl forms a saturated solution
D.
NH
4
Cl is highly soluble in water
View Answer & Discuss (5)
WAEC 2016
3093
The pH of four solutions M,N,Q and R are 2,6,8 and 11 respectively.
Which of the following deductions about the solutions is correct?
A.
The pH of N is increased when the solution is diluted
B.
The pH of Q is increased when the solution is evaporated
C.
M is the most alkaline solution
D.
R is the most acidic solution
View Answer & Discuss (7)
WAEC 2016
3094
Consider the following reaction equation
H
3
O
+
(aq)
+ OH
(aq)
\(\rightarrow\) 2H
2
O
(1)
The reaction represents
A.
Esterification
B.
Hydrolysis
C.
Neutralization
D.
Redox
View Answer & Discuss
WAEC 2016
3095
The refreshing characteristic taste of fizzy drinks is due ot the presence of
A.
Carbon(IV)oxide
B.
Glucose
C.
Hydrogen
D.
Sodium Citrate
View Answer & Discuss (1)
WAEC 2016
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