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OAU Post UTME Past Questions for Faculty Science, Medicine & Engineering
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Free OAU Post UTME Past Questions and Answers for Science and Engineering PDF Download 2021-2022
Question one A gas that is not associated with global warming is
Questions two What mass of water is produced when 8.0g of hydrogen reacts with excess oxygen?
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?
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 five The set of pollutants that is most likely to be produced when petrol is accidentally spilled on plastic materials and ignited is
A. CO, CO2 and SO2
B. CO, HCl and SO2
C. SO2, CO2 and HCl
D. Na, K, O2
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
Question ten How is the equilibrium constant for the forward reaction of an equilibrium Kf related to that of the reverse reaction Kr?
A. Kr is the additive inverse of Kf
B. Kr is the multiplicative inverse of Kf
C. Kr is the same as Kf
D. the product of Kr and Kf is zero
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