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OAU Post-UTME Past Questions and Answers PDF Download
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Sample of OAU Post UTME Past Questions for Faculty Science, Medicine & Engineering
Question one A gas that is not associated with global warming is
A. CO2
B. SO3
C. H2
D. CH4
Questions two What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
A. 72.0g
B. 36.0g
C. 16.0g
D. 8.0g
Question three The oxide XO2 has a vapour density of 32. What is the atomic number if the resultant mixture is from mass of x?
A. 20
B. 32
C. 14
D. 12
Question four The fundamental difference between the three states of matter is the
A. degree of movement of their particles
B. number of particles in each state
C. shape of the container they occupy
D. shape of their particles
Question six The highest level of molecular disorderliness is found in
A. ice at -100C
B. water at 1000C
C. steam at 1000C
D. ice at 00C
Question seven A reaction is spontaneous at all temperature if
A. ΔG = 0
B. ΔG > 0
C. ΔS < 0 and ΔH > 0
D. ΔS > 0 and ΔH < 0
Question eight Which of the following reactions of marble with 100cm3 of 0.100mol/dm3 HCl is fastest?
A. 5g of marble lump at 500C
B. 5g of marble powder at 500C
C. 5g of marble powder at 250C
D. 5g of marble lump at 250C
Question nine A(g) + 2B(g) → C(g). in the reaction represented by the equation above, the rate of appearance of C is found experimentally to be independent of the concentration of A and to increase four folds when the concentration of B is doubled. The rate law for the reaction is
A. rate = K[A]0[B]4
B. rate = K[A]0[B]2
C. rate = K[A][B]2
D. rate = K[A]2[B]0
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