UNIBEN Post UTME Online Past Questions

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UNIBEN Post UTME Online Past Questions

University of Benin, Benin City, Nigeria
POST-Unified Tertiary Matriculation Screening
Time Allowed 1hr

Uniben Post UTME Subject: Genera Paper

  1. If 50cm3 of C02 gas and 50cm3 of SO2 gas are measured, at S.T.P., calculate the amount of each gas in moles (Molar volume = 22.4dm3)
    A. 0.023 mol
    B. 0.0222 mol
    C. 0.0002 mol
    D. 0.0022 mol
  2. 02.How much volume of ethane would be required to produce 1.12 dm3 of carbon (IV) oxide on combustion in sufficient oxygen?

2C2H6g + 7O2, —> 4CO2(g) + 6H2O
A. 56 dm3 of ethane
B. 2.24 dm3 of ethane
C. 0.56 dm3 of ethane
D. 5.6 dm3 of ethane

3. By how much would the volume have increased when 10 dm3 of ozone were converted to oxygen
20i(S) —> 30,cg>
A. 15 dm3
B. 40 dm3
C. 0.5 dm3
D. 5 dm3

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