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Chemistry
WAEC 2013
Chemistry 2013 WAEC Past Questions
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26
Which of the following variables is a measure of the average kinetic energy of the molecule of a gas?
A.
Density
B.
Pressure
C.
Temperature
D.
Volume
View Answer & Discuss
WAEC 2013
27
When heat is absorbed during a chemical reaction, the reaction is said to be
A.
adiabatic
B.
endothermic
C.
exothermic
D.
isothermal
View Answer & Discuss
WAEC 2013
28
The aqueous solution which has pH > 7 is
A.
FeCI
3(aq)
B.
CuSO
4(aq)
C.
KNO
3(aq)
D.
Na
2
CO
3(aq)
View Answer & Discuss
WAEC 2013
29
Which of the following acids would readily react with CaCO3 to liberate CO2?
A.
CH
3
COOH
B.
H
2
SO
4
C.
H
2
SO
3
D.
HNO
3
View Answer & Discuss (4)
WAEC 2013
30
Which of the following compounds crystallizes without water of crystallization?
A.
MgSO
4
B.
Na
2
CO
3
C.
NaCI
D.
FeSO
4
View Answer & Discuss
WAEC 2013
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