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2024 - JAMB Chemistry Past Questions and Answers - page 1

1
Atomicity of ozone is
A
1
B
2
C
3
D
4
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2

Fog is a colloid in which

A
liquid particles is dispersed in a gas medium
B
gas particles dispersed in a liquid medium
C
solid particles dispersed in a gas medium
D
gas particles dispersed in a solid medium
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3

The scientist that performed the experiment on discharged tubes that led to the discovery of the cathode rays as a sub-atomic particle is 

A
J.J Thomson
B
Robert Millikan
C
Ernest Rutherford
D
Niels Bohr
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4

In the treatment of water for municipal supply, chlorine is used to 

A
prevent tooth decay
B
prevent goitre
C
kill germs
D
remove colour or odour
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5

Determine the empirical formula of an oxide of sulphur containing 60% of oxygen 

[S = 32, O = 16 ]

A
SO3
B
SO2
C
SO4
D
SO
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6

The IUPAC nomenclature of the compound above is

A
propan-1-ol
B
butan-1-ol
C
2-methyl propan-1-ol
D
2-methyl propan-2-ol
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7

Which of the following is an air pollutant?

A
O2
B
CO
C
H2O(g)
D
O3
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8

For chemical reaction to be spontaneous, ∆G must be

A
positive
B
negative
C
zero
D
equal to the enthalpy change
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9

Kerosene is used as solvent for 

A
Paints
B
Sulphur
C
Gums
D
Fats
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10

The constituents of Alnico are Aluminium, Nickel and 

A
Mg
B
Co
C
Mn
D
Cu
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