Question 2
WAEC
•
2024
•
CHEMISTRY
•
essay
Question Parts
(
a
)
(i) Define each of the following terms; I. Deliquescence; II. efflorescence
(
a
)
(ii) Give one example of a substance that undergoes each of the processes in 2a(I)
(
b
)
(i) What is meant by ionization energy?
(
b
)
(ii) The second ionization energy value of sodium is greater than the first ionization energy. Briefly give an explanation for this observation.
(
c
)
(i) State Charle's law
(
c
)
(ii) Sketch a graph to illustrate Charles' law.
(
c
)
(iii) A gas occupies \( 150 \mathrm{~cm}^{3} \) at 21 °C. What would be its volume if the temperature is raised to \( 45{ }^{\circ} \mathrm{C} \) and the pressure is kept constant?
(
d
)
(i) Write chemical equations to illustrate what happens when each of the following oxides is dissolved in water: (I) sodium oxide; (II) phosphorus (III) oxide; (III) chlorine (VII) oxide; (IV) magnesium oxide.
(
d
)
(ii) Arrange the solutions in 2d(i) in order of increasing acidity.
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About This Question
This is
Waec
2024
Chemistry
Question 2.
It is one of the
essay
questions from the
2024
Waec
Chemistry
examination.
The question covers
General
.