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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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3131
The bond formed when ammonia reacts with hydrogen ion to form ammonium ion is
A.
Covalent
B.
Dative
C.
Hydrogen bond
D.
Ionic
View Answer & Discuss (1)
WAEC 2015
3132
To which group and period respectively does an element with 15 electrons belong?
A.
3 and 3
B.
3 and 5
C.
5 and 3
D.
5 and 5
View Answer & Discuss (7)
WAEC 2015
3133
The shape of a graphite crystal is
A.
Tetrahedral
B.
Pyramidal
C.
Octahedral
D.
Hexagonal
View Answer & Discuss (1)
WAEC 2015
3134
Which of the following oxides is ionic?
A.
P
4
O
10
B.
MgO
C.
Al
2
O
3
D.
SO
2
View Answer & Discuss (6)
WAEC 2015
3135
Which of the following substances when boiled with aqueous solution of sodium hydroxide would be hydrolyzed?
i. Protein ii. Fat iii. Polythene
A.
i
B.
ii
C.
i and ii
D.
ii and iii
View Answer & Discuss (2)
WAEC 2015
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