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896
If an equilibrium reaction has ∆H < O, the reaction will proceed favorably in the forward reaction at?
  • A. low temperatures
  • B. high temperatures
  • C. all temperatures
  • D. all pressures
View Answer & Discuss (3) JAMB 1995
897
Which of the following processes leads to increase in entropy?
  • A. Mixing a sample of NaCl and sand
  • B. Condensation of water vapour
  • C. Boiling a sample of water
  • D. Cooling a saturated solution
View Answer & Discuss (1) JAMB 1995
898
Which of the following equilibria is shifted to the right as a result of an increase in pressure?
  • A. H2(g) + I2(g) 2HI(g)
  • B. 2NO2(g) N2O4(g)
  • C. PCl5(s) PCl3(s) + Cl2(g)
  • D. 2O3(g) 3O2(g)
View Answer & Discuss (6) JAMB 1995
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899

In the industrial production of hydrogen from natural gas, carbon (IV) oxide produced along with the hydrogen is removed by?

  • A. washing with water under pressure
  • B. passing the mixture into lime water
  • C. using ammoniacal copper (l) chloride
  • D. drying over phoshorus (V) oxide
View Answer & Discuss (9) JAMB 1995
900
Sulphur exists in six forms in the solid state. This property is known as?
  • A. isomerism
  • B. allotropy
  • C. isotopy
  • D. isomorphism
View Answer & Discuss (1) JAMB 1995
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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