All Science Studied getting ready for Chemistry are to solve these NOVDEC 2024 Chesmistry Predicted Questions before they enter the exam all to write the WAEC Administered Private WASSCE for 2024.
NOVDEC 2024 Chesmistry Predicted Questions To Solve
Below are the questions to solve. Ensure you also revise the topics they are taken from to increase your chances of sucess. Note that these questions are not leaked questions but projected questions you are likely to meet in the exam hall.
1a) What is isomerism
b) Name two types of polymerization
c) Distinguish between a covalent bond and a dative bond
d) I) State Graham’s law of diffusion
II) Write the mathematical expression for Graham’s law
e) state 3 factors that will influence the preferential discharge of ions during electrolysis
f) Calculate the mass of magnesium oxide that would be obtained if 0.6g of magnesium is completely burnt in oxygen [ Mg=24.0, O=16.0]
g) Why is the electron affinity of fluorine lower than that of chlorine
h) Describe how a mixture of sand and sodium chloride could be separated in the laboratory
I) what is the difference between a concentrated solution of a base and a dilute solution of a base
j) Mention two salts that will decompose on heating to produce oxygen gas
Q2
a) Explain one disadvantage of equilibrium as an industrial process
b) State one disadvantage of cooling industrial plants with water containing Ca(HCO3)2.
Give a reason for the answer
C) Consider the ff reaction equation
CaCO3(aq) <=>CaO(s) + CO2(g)
I) State one condition necessary for the system to attain equilibrium
II) Explain why crushing limestone increases it rate of decomposition
III) What is meant by equilibrium position in a reversible reaction
Iv) what is the relationship between the enthalpy change for a forward reaction and that of its backward reaction
d) A current of 5.0 A is passed through CuSO4(aq) and AgNO3 (aq) connected in series for 1 hour 30mins. Calculate the mass of
(I) copper deposited
(II) silver deposited
[Cu = 63.5, Ag= 108.0, 1F=96500C]
e) I) Define the term Allotropy
(II) Name two allotropes of carbon
READ: 25 WASSCE 2024 English Language Essay Questions for Candidates
3b) A mixture of aqueous calcium hydroxide and ammonium trioxonitrate(V) is warmed
I) identify the gas-evolved
II) write a balanced chemical equation for the reaction
III) write a balanced chemical equation for the reaction of the gas evolved in (I) with dilute H2SO4
B) CO2
C) Give one reason for each of the ff observations
I) SO2 shows more deviation from ideal gas behaviour than H2
II) the smell of nitrogen(II)oxide is difficult to detect
III) a balloon filled with helium deflates faster than one filled with oxygen
d) Name the crystalline allotrope of carbon that is
(I) most reactive
(II) can be used as an insulator
(III) less dense than air
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Congratulations for solving this NOVDEC 2024 Chesmistry Predicted Questions.