2023 JAMB Chemistry Past Questions
Browse the 2023 JAMB Chemistry past questions with answers and step-by-step explanations. Chemistry covers physical, inorganic and organic chemistry across three sub-papers. The highest-yield revision is past questions: examiners reuse the same reaction patterns and the same common compounds year after year. Use the year archive below to time yourself the way the actual exam does — most candidates need to work questions across multiple years before the patterns become obvious.
Sample JAMB Chemistry questions
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- Q12023MEDIUMGovernment
The term 'lobbying' refers to
- A.A. campaigning for political office
- B.B. advocating for social justice✓ Correct
- C.C. organizing grassroots movements
- D.D. seeking to influence government decisions
- Q22021MEDIUMHistory
When the pattern of Assimilation failed, the french colonialist resolved to ________
- A.A. Association
- B.B. Coercion✓ Correct
- C.C. Infliction
- D.D. Indirect Rule
- Q32022MEDIUMLiterature in English
"I had not taken the first step in knowledge, I had not learnt to let go with the hands".The above lines is an example of a
- A.Aspotrophe✓ Correct
- B.Alliteration
- C.Repetitiion
- D.Assonance
- Q42011MEDIUMEnglish
In question number 21 above, choose the best option from letters A - D that best completes the gap.
- A.popularity
- B.energy
- C.ingenuity
- D.incapability✓ Correct
- Q52020MEDIUMPhysics
In what range of temperature is the expansion of water anomalous?
- A.+208$^o$C to +212$^o$C
- B.-80$^o$C + -76$^o$C
- C.0$^o$C to +4$^o$C
- D.-4$^o$C to +0$^o$C✓ Correct
- Q62019MEDIUMPhysics
The resultant capacitance in the figure above is
- A.0.4μf
- B.0.8μf
- C.1.8μf
- D.4.5μf✓ Correct
- Q72022MEDIUMHistory
Who brought Christianity to Liberia?
- A.A. Missionaries
- B.B. British Consuls
- C.C. Freed American slaves✓ Correct
- D.D. Freed British slaves
- Q82024MEDIUMGovernment
The Nigerian Youth Movement pursued its objectives through the use of
- A.A. protest
- B.B. newspapers
- C.C. radio
- D.D. strike actions✓ Correct
- Q92014MEDIUMMathematics
If y = cos 3x, find $\frac{\delta y}{\delta x}$
- A.$\frac{1}{3} \sin 3x$
- B.$-\frac{1}{3} \sin 3x$
- C.3 sin 3x✓ Correct
- D.-3 sin 3x
- Q102019MEDIUMPhysics
The lead-acid accumulator consists of
- A.lead as the positive electrode
- B.lead acid as the negative electrode
- C.hydrochloric acid as the electrolyte
- D.tetraoxosulphate (vi) acid as the electrolyte✓ Correct
Other JAMB Chemistry years
Working multiple years back-to-back is the fastest way to recognise repeating patterns.