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[ Post UTME Begins ]:
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BASIC CHEMISTRY
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Organic Compounds
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
Alkanols: Primary, secondary, tertiary
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1796
In solution, aminoethanoic acid (glycine) can be represented as NH
+
3
CH
2
COO. This implies that it
A.
is soluble in all inorganic liquids
B.
can function as a weak acid or a weak base
C.
does not form salt with mineral acids
D.
is highly acidic
E.
cannot form esters with alkanols
View Answer & Discuss
WAEC 1991
1797
Hydrogen is used for the following except
A.
manufacturing of ammonia
B.
synthesis of hydrochloric acid
C.
extinguishing fire
D.
conversion of coal to petrol
E.
manufacture of margarine
View Answer & Discuss (4)
WAEC 1991
1798
Which of the following is suitable for determining different isotopes present in an element which exhibits isotopy?
A.
Sensitive weighing balance
B.
Cathoda ray tube
C.
Mass spectrometer
D.
Geiger muller counter
E.
Eudiometer
View Answer & Discuss (4)
WAEC 1991
1799
When steam is passed over white-hot coke, the products are
A.
carbon (IV) oxide and nitrogen
B.
carbon (II) oxide and hydrogen
C.
carbon (ll) oxide and nitrogen
D.
carbon (lV) oxide and steam
View Answer & Discuss (7)
WAEC 1992
1800
The maximum number of electrons that can accommodated in the shell having the principal quantum number 3 is
A.
3
B.
9
C.
10
D.
18
E.
32
View Answer & Discuss (7)
WAEC 1992
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