2025 JAMB Chemistry Past Questions

Which noble gas is radioactive and is produced as a decay product of uranium and thorium?

1. A.Argon
2. B.Krypton✓ Correct
3. C.Radon
4. D.Neon

Evaluate $\frac{12.02 \times 20.06}{26.04 \times 60.06}$, correct to three significant figures.

1. A.0.157
2. B.0.154
3. C.0.155
4. D.0.158✓ Correct

The energy of light of frequency 2.0 x 10$^{15}$Hz is  (h = 6.63 x 10$^{-34}$Js)

1. A.3.33 x 10$^{-18}$J
2. B.1.33 x 10$^{-18}$J✓ Correct
3. C.1.33 x 10$^{-19}$J
4. D.3.33 x 10$^{-19}$J

Answer the following question, choose the option nearest in meaning to the word or phrase underlined Ayodeji is an ardent support of education for the girl child

1. A.a cogent✓ Correct
2. B.a passionate
3. C.an lgnorant
4. D.an optimistic

The two constitutions that provided for the election of four legislative members were

1. A.A. Lyttleton and Clifford
2. B.B. Macpherson and Richard
3. C.C. Clifford and Richard✓ Correct
4. D.D. Macpherson and Lyttleton

Select the option that best explain the information conveyed in the sentence The painting was beautifully faked

1. A.The painting was a good deceptive replica✓ Correct
2. B.The painting was well-framed and displayed
3. C.The painting was deceptively decorated
4. D.The painting was carefully designed

The elongated start is mostly used by ................... athletes

1. A.A. fat
2. B.B. huge✓ Correct
3. C.C. short
4. D.D. tall

The following are the injuries that can be sustained at sport except ____

1. A.A. sprain
2. B.B. bruises✓ Correct
3. C.C. strain
4. D.D. stomach ache

The choice of method for extracting a metal from its ores depends on the

1. A.strength of the core
2. B.position of the metal in the electrochemical series
3. C.source of the core
4. D.position of the metal in the periodic table✓ Correct

The most capital-intensive sector of Nigeria economy to day is

1. A.Transportation
2. B.Trading✓ Correct
3. C.Agriculture
4. D.Mining