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In the reaction above, the concentration of 2SO3(g) can be in creased by
Adecreasing the pressure
Bdecreasing the temperature
Cthe addition of catalyst
Dincreasing the temperature
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Question 2
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Zn(s) + CuSO4(aq) \( \to \) ZnSO4(aq) + Cu(s)
In the reaction above, the oxidizing agent is
ACuSO4(aq)
BZnSO4(aq)
CCu(s)
DZn(s)
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Question 3
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The radioactive emission with the least ionization power is
A\( \alpha - particles \)
BX-rays
C\( \gamma -rays \)
D\( \beta - rays \)
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Question 4
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How many unpaired electron are in the p-orbitals of a fluorine atom?
A3
B\( 0 \)
C1
D2
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Question 5
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The compound above is an
Aalkanone
Balkanoate
Calkanal
Dakanol
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Question 6
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Use the following option above to answer this question. Which of the following compounds in solution will turn red litmus paper blue?
AA
BB
CC
DD
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Question 7
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Use the above option to answer this question. The dehydration of ammonium salt of alkanoic acids produces a compound with the general formula
AA
BB
CC
DD
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Question 8
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The IUPAC nomenclature for the compound above is
A4-methylpent-1-ene
B3-methylpent-2-ene
C2-methylpent-1ene
D2-methylpent-4-ene
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Question 9
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Choose the correct option from the graph above . 3Fe(S) + 4H2O(g) ⇌ Fe3O4(s) + 4H2(g). The equilibrium constant, K, of the reaction above is represented as
AA
BB
CC
DD
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Question 10
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In the graph above, the activation energy of the catalyzed reaction is
A100KJ
B300KJ
C250KJ
D200KJ
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Question 11
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From the diagram above, an ideal gas is represented by
AZ
BW
CX
DY
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Question 12
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An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula rn(C=12,H =1, O=16)
AC 5H 12O
BC 3H 8O
CC 6H 13O 2
DC 4H 9O
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Question 13
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Which of the following fraction is used as raw material for the cracking process?
Akerosine
Blubricating oil
Cbitumen
Ddiesel oils
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Question 14
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A primary amide is generally represented by the formula
ARCOOR
BRCONH 2
CRCONHR
DRCONR 2
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Question 15
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The decarboxylation of ethanoic acid will produce carbon (IV)oxide and
Amethane
Bethane
Cpropane
Dbutane
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Question 16
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The reaction between ammonia and ethyl ethanoate produces
Apropanol and ethanamide
Bpropanol and propanamide
Cethanol and propanamide
Dethanol and ethanamide
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Question 17
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2- methylpropan-2-ol is an example of a
Adihydric alkanol
Btertiary alkanol
Csecondary alkanol
Dprimary alkanol
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Question 18
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Aluminium containers are frequently used to transport trioxonitrate (V) acid because aluminium
Ahas a silvery-white appearance
Bhas a low density
Cdoes not react with the acid
Ddoes not corrode
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Question 19
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The coloured nature of transition metal ions are associated with their partially filled
Af- orbital
Bs- orbital
Cp-orbital
Dd-orbital
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Question 20
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Copper is displaced from the solution of its salts by most metals because it
