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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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Properties of a system in equilibrium
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General properties of metals
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Alloy
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Introduction to the tetravalency of carbon
Alkanes: Homologous series in relation to physical properties
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Aromatic hydrocarbons e.g. benzene - structure, properties and uses
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Enzymes and their functions
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1826
If a reaction is said to be exothermic, which of the following statements is a correct deduction from the information?
A.
the reaction vessel gets hotter as the reaction proceeds
B.
∆H for the reaction is positive
C.
the rate of the reaction increases with time
D.
the activation energy of the reaction is high
E.
the rate of the reaction increases with time
View Answer & Discuss (1)
WAEC 1992
1827
Which of the following statement is not correct about esterification?
A.
It is a slow reaction
B.
the process is reversible
C.
it is similar to hydrolysis
D.
it is catalysed by acids
E.
the products usually have a fruity smell
View Answer & Discuss (8)
WAEC 1992
1828
Which of the following statements is not correct? The 4s orbital
A.
is defined by the quantum number 1 = O
B.
is of higher energy than the 3d orbital
C.
contains a maximum of two electrons
D.
is spherical about the nucleus
E.
is filled before the 4p orbital
View Answer & Discuss (2)
WAEC 1992
1829
Which of the following pH values is likely to be that of a slightly alkaline solution?
A.
2
B.
5
C.
7
D.
8
E.
13
View Answer & Discuss (1)
WAEC 1992
1830
Which of the following minerals contains flurine as one of its constituent elements?
A.
Cryolite
B.
Bauxite
C.
Potash alum
D.
Kaolin
E.
Mica
View Answer & Discuss (2)
WAEC 1992
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