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[ Post UTME Begins ]:
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Matter and Separation Techniques
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BASIC CHEMISTRY
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Introduction to the tetravalency of carbon
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Aromatic hydrocarbons e.g. benzene - structure, properties and uses
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2466
Dry hydrogen chloride when dissolved in methylbenzene
A.
turns blue litmus paper red
B.
turns red litmus paper blue
C.
does not affect litmus paper
D.
bleaches litmus paper
View Answer & Discuss (4)
WAEC 2009
2467
A consequence of global warming is
A.
air pollution
B.
flooding
C.
increased humidity
D.
low rainfall
View Answer & Discuss (5)
WAEC 2009
2468
The major product in the solvay process is
A.
NaOH
B.
Na
2
CO
3
C.
NH
3
D.
H
2
SO
4
View Answer & Discuss (1)
WAEC 2009
2469
Which of the following alloys does not contain copper? l. Brass II. Bronze III. Steel
A.
l only
B.
ll only
C.
lll only
D.
ll and lll only
View Answer & Discuss (4)
WAEC 2009
2470
The electron configuration of carbon atom in its excited state is [ 6C]
A.
1s
2
2s
2
2px
1
2py
1
B.
1s
2
2s
2
2px
2
2py
o
C.
1s
1
2s
2
2px
1
2py
1
2pz
1
D.
1s
2
2s
1
2px
1
2py
1
2pz
1
View Answer & Discuss (11)
WAEC 2009
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