JAMB Chemistry 2025 Objective — Question 33
Question 33 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Which statement about oils and fats is correct?
- A. Oils contain a higher proportion of unsaturated fatty acids than fatsCorrect
- B. Fats have lower melting points than oils
- C. Fats are liquids at room temperature
- D. Oils have fewer double bonds than fats
Explanation
Oils have more unsaturated fatty acid chains (more C=C double bonds), which lower melting points, making oils liquid at room temperature. Fats are more saturated and solid.
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