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JAMB UTME

JAMB Chemistry Past Paper (2015)

Prepare for your JAMB UTME Chemistry exam with this comprehensive practice paper. This set of 40 multiple-choice questions mirrors the style and difficulty of the actual examination, covering essential topics from gas laws and stoichiometry to organic chemistry and chemical bonding. Each question is designed to test your understanding and application of chemical principles.

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About This Exam

Prepare for your JAMB UTME Chemistry exam with this comprehensive practice paper. This set of 40 multiple-choice questions mirrors the style and difficulty of the actual examination, covering essential topics from gas laws and stoichiometry to organic chemistry and chemical bonding. Each question is designed to test your understanding and application of chemical principles.

Topics Covered

- Gas Laws and Kinetic Theory

Exam Structure

  • Question Formatmcq
  • Total Questions40
  • Estimated Duration27 minutes
  • Difficulty LevelMedium

Learning Objectives

  • •Understand and apply fundamental principles of gas laws and kinetic theory.

Prerequisites

A solid understanding of senior secondary school chemistry syllabus, including general chemistry, physical chemistry, inorganic chemistry, and organic chemistry. Familiarity with basic mathematical concepts for calculations is also required.

Sample Questions

Get a taste of what to expect in the full exam.

1
MCQQuestion
  1. When at equilibrium, which of the reactions below will shift to the right if the pressure is increased and the temperature is kept constant?
A

2SO3(g)⇌2SO2(g)+O2(g)2SO_3(g) \rightleftharpoons 2SO_2(g) + O_2(g)

B

2CO2(g)⇌2CO(g)+O2(g)2CO_2(g) \rightleftharpoons 2CO(g) + O_2(g)

C

2H2(g)+O2(g)⇌2H2O(g)2H_2(g) + O_2(g) \rightleftharpoons 2H_2O(g)

D

2NO(g)⇌N2(g)+O2(g)2NO(g) \rightleftharpoons N_2(g) + O_2(g)

Answer hidden — Download app to see
2
MCQQuestion
  1. 2CO(g)+O2(g)→2CO2(g)2CO(g) + O_2(g) \rightarrow 2CO_2(g) Given that ΔH[CO]\Delta H [CO] is −110.4-110.4 kJ mol−1mol^{-1} and ΔH[CO2]\Delta H [CO_2] is −393.0-393.0 kJ mol−1mol^{-1}, the energy change for the reaction above is
A

−503.7-503.7 kJ

B

−282.6-282.6 kJ

C

+282.6+282.6 kJ

D

+503.7+503.7 kJ

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3
MCQQuestion
  1. Ethyne is passed through a hot tube containing organo catalyst to produce
A

Isoprene

B

polythene

C

ethanol

D

benzene

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4
MCQQuestion
  1. Which are the names for H−CO2CH3H-CO_2CH_3 and CH≡CHCH \equiv CH?
A

Methyl methanoate and ethene

B

Metanoic acid and ethyne

C

Ethyl methanoate and ethyne

D

Methyl methanoate and ethyne

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5
MCQQuestion
  1. 12.012.0g of a mixture of potassium carbonate and potassium chloride were dissolved in a 250cm3250cm^3 standard flask. 40.0cm340.0cm^3 of this solution required 40.0cm340.0cm^3 of 0.1M0.1M HClHCl for neutralization. What is the percentage by weight of K2CO3K_2CO_3 in the mixture? [K=39,O=16,C=12][K = 39, O = 16, C = 12]
A

60

B

72

C

82

D

92

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6
MCQQuestion
  1. Hydrogen sulphide gas can act as
A

an oxidizing agent

B

a dehydrating agent

C

a bleaching agent

D

a precipitating agent.

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7
MCQQuestion
  1. 4.04.0 g of sodium hydroxide in 250cm3250cm^3 of solution contains
A

0.400.40 moles per dm3dm^3

B

0.100.10 moles per dm3dm^3

C

0.040.04 moles per dm3dm^3

D

0.020.02 moles per dm3dm^3

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8
MCQQuestion
  1. A major effect of oil pollution in coastal waters is the
A

destruction of marine life

B

desalination of the water

C

increase in the acidity of the water

D

detoxification of the water

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9
MCQQuestion
  1. Which of the following physical properties increases from left to right of the Periodic Table?
  2. Ionization energy
  3. Atomic radius
  4. Electronegativity
  5. Electron affinity
A

1 and 2

B

1, 2 and 3

C

3 and 4

D

1, 2, 3 and 4

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10
MCQQuestion
  1. Consider the following exothermic reaction 2SO2(g)+O2(g)⇌2SO3(g)2SO_2(g) + O_2(g) \rightleftharpoons 2SO_3(g). If the temperature of the reaction is reduced from 800∘C800^\circ C to 500∘C500^\circ C, and no other change takes place, then
A

the reaction rate increases

B

the equilibrium constant increases

C

the yield of SO3SO_3 decreases

D

the rate of the reverse reaction increases

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Ready to start practicing?

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How to Prepare

Key Preparation Tips

  • Review core chemistry concepts thoroughly.

Mistakes to Avoid

  • •Calculation errors in stoichiometry and titration problems.

Success Criteria

Achieving a high score on this practice paper indicates a strong grasp of the tested chemistry concepts and readiness for the JAMB UTME. Aim for accuracy and speed in answering questions.

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