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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
Particulate Nature of Matter
BASIC CHEMISTRY
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Properties of Gases ( Gas Laws )
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Basic Concepts of Organic Chemistry
Organic Chemistry 2
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chemical symbols, formulae, equations and their uses
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IUPAC nomenclature of inorganic compounds using oxidation number
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Properties of a system in equilibrium
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Metals of the first transition series
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Alloy
Organic Compounds
Introduction to the tetravalency of carbon
Alkanes: Homologous series in relation to physical properties
Alkenes: Isomerism (structural and geometric isomerism)
Alkynes: Ethyne
Aromatic hydrocarbons e.g. benzene - structure, properties and uses
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Amines (Alkanamines): Primary, Secondary, and tertiary
Carbohydrates
Proteins: Primary structures, hydrolysis and tests
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2336
Which of the following substance is an ore of iron?
A.
Bauxite
B.
Cassiterite
C.
Haematite
D.
Steel
View Answer & Discuss
WAEC 2006
2337
The ammonium compound used in the manufacture of dry cells is
A.
NH
4
NO
3
B.
(NH
4
)SO
4
C.
NH
4
Cl
D.
(NH
4
)
2
CO
3
View Answer & Discuss (4)
WAEC 2006
2338
Which of the following equations represents a substitution reaction?
A.
C
2
H
10(g)
+ CI
2(g)
→ C
4
H
9
CI
(g)
+ HCI
(g)
B.
C
2
H
4(g)
+ HCI
(g)
→ C
2
H
5
CI
(l)
C.
C
2
H
2(g)
+ 2H
2(g)
→ C
2
H
6(g)
D.
C
3
H
4(g)
+ 40
2(g)
→ 3CO
2(g)
+ 2H
2
O
(g)
View Answer & Discuss
WAEC 2006
2339
When sodium atom form the ion Na+,
A.
it gains one proton
B.
it achieves a noble gas configuration
C.
its atomic number increases
D.
it gains one electron
View Answer & Discuss (7)
WAEC 2007
2340
Which of the following statements about rare gases are correct?
A.
Their outermost shells are fully filled
B.
They are generally unreactive
C.
Their outermost shells are partially filled
D.
They have lone pair of
View Answer & Discuss (4)
WAEC 2007
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