If there is no change in volume in a gaseous reaction, the pressure will

C. have no effect on equilibrium position

D. have effect on equilibrium position

Which of the following statements is false about hard water?

B. Cannot be supplied in pipes made of leads

A. Helps animals to build strong teeth

B. Cannot be supplied in pipes made of leads

C. Tastes better than soft water

D. Helps animals to build strong bones.

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JAMB • Chemistry

JAMB Chemistry Past Questions & CBT Practice

Chemistry covers physical, inorganic and organic chemistry. Past questions are high-yield revision: the same reaction types, calculations and common compounds come up again and again. On this page you can try sample JAMB Chemistry past questions with the answers marked, open the paper for each exam year we have, and start timed CBT-style practice.

Start Chemistry CBT — Free Browse by year

Sample JAMB Chemistry questions

Answers are marked. Sign up free to practise more questions, and ask the AI tutor to explain any of them.

Q12025MEDIUMChemistry
In welding and cutting of metals, the organic gas commonly used in the heating process is
1. A.methane
2. B.propene
3. C.butane
4. D.ethyne✓ Correct
Q22025MEDIUMChemistry
The most suitable indicator to be used when reacting ethanedioic acid with potassium hydroxide is
1. A.phenolphthalein✓ Correct
2. B.methyl orange
3. C.methyl red
4. D.methyl purple
Q32025MEDIUMChemistry
If there is no change in volume in a gaseous reaction, the pressure will
1. A.favour forward reaction
2. B.favour backward reaction
3. C.have no effect on equilibrium position✓ Correct
4. D.have effect on equilibrium position
Q42025MEDIUMChemistry
The compound responsible for the pleasant scent of fruits and perfumes belongs to the class of
1. A.alkanamide
2. B.alkanone
3. C.alkanal
4. D.alkanoate✓ Correct
Q52025MEDIUMChemistry
Which of the following statements is false about hard water?
1. A.Helps animals to build strong teeth
2. B.Cannot be supplied in pipes made of leads✓ Correct
3. C.Tastes better than soft water
4. D.Helps animals to build strong bones.
Q62025MEDIUMChemistry
Commercial deodorant is an example of a colloid called
1. A.aerosol✓ Correct
2. B.sol
3. C.foam
4. D.emulsion

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JAMB Chemistry past questions by year

Start with the most recent papers, then work back: question patterns are easier to spot across several years.

Know what can be examined

Every section and topic of the syllabus, with the exam body's notes: revise topic by topic, then come back to the past questions.

JAMB Chemistry syllabus

Other JAMB subjects

Don't stop at Chemistry: every candidate sits several papers.