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JAMB UTME

Jamb Chemistry Practice Questions (2017)

This comprehensive set of 40 multiple-choice questions is designed to simulate the experience of the JAMB UTME Chemistry examination. It covers a wide array of essential topics, from fundamental principles like atomic structure and the periodic table to more advanced concepts in thermochemistry, electrochemistry, and organic chemistry. Each question is accompanied by a detailed explanation, providing valuable insights into the problem-solving process and reinforcing key chemical concepts.

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About This Exam

This comprehensive set of 40 multiple-choice questions is designed to simulate the experience of the JAMB UTME Chemistry examination. It covers a wide array of essential topics, from fundamental principles like atomic structure and the periodic table to more advanced concepts in thermochemistry, electrochemistry, and organic chemistry. Each question is accompanied by a detailed explanation, providing valuable insights into the problem-solving process and reinforcing key chemical concepts.

Topics Covered

- Industrial Chemistry

Exam Structure

  • Question Formatmcq
  • Total Questions39
  • Estimated Duration26 minutes
  • Difficulty LevelMedium

Learning Objectives

  • •Understand and apply fundamental chemical principles.

Prerequisites

A solid understanding of secondary school chemistry concepts, including basic principles of atomic structure, bonding, chemical reactions, stoichiometry, and physical chemistry.

Sample Questions

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

1
MCQQuestion

In two separate experiments, 0.36g0.36g and 0.71g0.71g of ClCl combined with a metal XX to form compounds YY and ZZ, an analysis showed that YY and ZZ contain 0.20g0.20g and 0.40g0.40g of XX respectively. The data represents the law of

A

multiple proportion

B

conservation of mass

C

constant composition

D

reciprocal proportion.

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2
MCQQuestion

The electrons of two atoms YY and ZZ are arranged in shells as above. The bond formed between the atoms of YY and ZZ is

A

ionic

B

covalent

C

dative

D

metallic.

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3
MCQQuestion

8.0g8.0g of an element XX reacts with an excess of copper tetraoxosulphate (VI) solution to deposit 21.3g21.3g of copper. The correct equation for the reaction is (Cu=64Cu = 64)

A

X(s)+CuSO4(aq)→XSO4(aq)+Cu(s)X(s) + CuSO_4(aq) \rightarrow XSO_4(aq) + Cu(s)

B

X(s)+2CuSO4(aq)→X(SO4)2(aq)+2Cu(s)X(s) + 2CuSO_4(aq) \rightarrow X(SO_4)_2(aq) + 2Cu(s)

C

2X(s)+CuSO4(aq)→X2SO4(aq)+Cu(s)2X(s) + CuSO_4(aq) \rightarrow X_2SO_4(aq) + Cu(s)

D

2X(s)+3CuSO4(aq)→X2(SO4)3(aq)+3Cu(s)2X(s) + 3CuSO_4(aq) \rightarrow X_2(SO_4)_3(aq) + 3Cu(s)

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4
MCQQuestion

If concentrated sulphuric acid is added to sugar and warmed gently, the sugar changes from white to brown and finally to a black mass of carbon. In this reaction, concentrated sulphuric acid is acting as

A

a drying agent

B

an oxidizing agent

C

a dehydrating agent

D

a reducing agent.

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5
MCQQuestion

Smoke consists of

A

solid particles dispersed in liquid

B

solid or liquid particles dispersed in gas

C

gas or liquid particles dispersed in liquid.

D

Liquid particles dispersed in liquid.

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6
MCQQuestion

The structural formula of ethanoic acid is

A

CH3−C(=O)OHCH_3-C(=O)OH

B

CH3−C(−H)OHCH_3-C(-H)OH

C

CH3−C(=O)HCH_3-C(=O)H

D

CH3−CH2−C(=O)OHCH_3-CH_2-C(=O)OH

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7
MCQQuestion

Which of the following is an electrolyte?

A

Alcohol

B

Sodium acetate solution

C

Solid potassium in hydroxide

D

Mercury

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8
MCQQuestion

Which of the following indicates the number of bonds that can be formed by an atom?

A

Oxidation number

B

Valence

C

Atomic number

D

Electronegativity

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9
MCQQuestion

In the reaction: 3CuO+2NH3→3Cu+3H2O+N23CuO + 2NH_3 \rightarrow 3Cu + 3H_2O + N_2, how many electrons are transferred for one mole of copper produced?

A

4.0×10−234.0 \times 10^{-23}

B

3.0×10−233.0 \times 10^{-23}

C

1.2×10241.2 \times 10^{24}

D

6.0×10246.0 \times 10^{24}

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10
MCQQuestion

Environmental pollution is worsened by the release of automobile exhausts of

A

water vapour

B

steam

C

smoke

D

heavy metals

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Ready to start practicing?

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How to Prepare

Key Preparation Tips

  • Review the JAMB Chemistry syllabus thoroughly.

Mistakes to Avoid

  • •Calculation errors in stoichiometry and thermochemistry problems.

Success Criteria

Achieving a high score (e.g., 70% or above) on this practice test indicates a strong grasp of the covered topics and readiness for the actual JAMB Chemistry examination.

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