Jamb Chemistry 2002 Past Questions and Answers

Question 41:

• JAMB 2002

A fixed mass of gas has a volume of 92cm₃ at 3 ^oC. When will be its volume at 18 ^oC if the pressure remains constant

A. 15.3cm³
B. 87.3cm³
C. 552.0cm³
D. 97.0cm³

Question 42:

• JAMB 2002

The processes which return carbon (IV) oxide to the atmosphere include

A. Respiration, decay and combustion
B. Photosynthesis, respiration and transpiration
C. Ozone depletion, combustion and decay
D. Photosynthesis, decay and respiration

Question 43:

• JAMB 2002

The postulate of Dalton's atomic theory which still holds is that

A. Atoms can neither be created nor destroyed
B. The particles of the same element are exactly alike
C. Particles of different elements combine in simple whole number ratio
D. All elemets are made of small indivisible particles

Question 44:

• JAMB 2002

¹⁴₆C → X + B
X in the equation above represents

A. ¹²₆C
B. ¹²₅B
C. ¹⁴₇N
D. ¹³₆C

Question 45:

• JAMB 2002

If 0.75 mole of cyclopropane and 0.66 mole of oxygen are mixed in vessel with a total pressure of 0.7 atmosphere, what is the partial pressure of oxygen in the mixture

A. 0.44 atmosphere
B. 0.22 atmosphere
C. 0.55 atmosphere
D. 0.33 atmosphere