Chemistry is compulsory in JAMB for medicine, pharmacy, biochemistry, chemical engineering, agriculture, and most science-based courses. Scoring well in JAMB Chemistry requires a specific kind of preparation — not just reading your textbook, but understanding how JAMB turns chemistry knowledge into multiple-choice questions and knowing the traps that cost candidates marks.
JAMB Chemistry past questions are the most effective tool for developing this understanding. They show you the topics JAMB examines most frequently — periodic table properties, chemical bonding, stoichiometry, organic chemistry reactions, and electrochemistry — and, crucially, the way JAMB phrases questions to test genuine understanding rather than surface recall. Candidates who have worked through years of past questions rarely encounter a question format they have not seen before.
This PDF compilation covers multiple years of JAMB Chemistry past questions with correct answers and detailed explanations. It is structured for both topic-based study and full-paper practice, giving you flexibility in how you use your remaining preparation time. The explanations do not just give the right answer — they explain why the other options are wrong, which is how you build the discrimination required for JAMB’s four-option format.
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Ten real past-question-style items on Chemistry, the kind you’ll meet solved and explained in the textbook itself. Tap an option to check your answer.
1. What is the chemical symbol for Sodium?
2. Which gas is produced when a metal reacts with a dilute acid?
3. What is the pH value of a neutral solution at 25°C?
4. Which particle in an atom carries a negative charge?
5. What term describes a substance that speeds up a chemical reaction without being consumed?
6. What is the general formula for alkanes in organic chemistry?
7. Which process separates a mixture of miscible liquids with different boiling points?
8. What is the chemical name for common table salt?
9. What type of bond is formed by the transfer of electrons from one atom to another?
10. Which exam bodies commonly set the objective Chemistry past questions used for WAEC/JAMB preparation?