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Chemistry 1985 JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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6
2MnO-4 + 10Cl- + 16H+ → 2Mn2+ + 5Cl2 + 8H2O. Which of the substances serves as an oxidizing agent?
  • A. Mn2+
  • B. Cl-
  • C. H2O
  • D. MnO-4
  • E. Cl2
View Answer & Discuss (3) JAMB 1985
7
Which of the following metals will displace iron from a solution of iron(ll)tetraoxosulphate(lV)?
  • A. Copper
  • B. Mercury
  • C. Silver
  • D. Zinc
  • E. Gold
View Answer & Discuss (1) JAMB 1985
8
In the reaction H2(g)O \(\to\) H2(g) + 1/2O2(g)

ΔH = -2436000 KJ, which of the following has no effect on the equilibrium position?
  • A. Adding argon to the system
  • B. Lowering the temperature
  • C. Adding hydrogen to the system
  • D. Decreasing the pressure
  • E. Increasing the temperature
View Answer & Discuss (3) JAMB 1985
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9
Complete hydrogenation of ethyne yields?
  • A. benzene
  • B. methane
  • C. ethane
  • D. ethene
  • E. propane
View Answer & Discuss (3) JAMB 1985
10
Which of the following is used in the manufacture of bleaching powder?
  • A. Sulphur dioxide
  • B. Chlorine
  • C. Hydrogen tetraoxosulphate (VI)
  • D. Hydrogen sulphide
  • E. Nitrogen dioxide
View Answer & Discuss (4) JAMB 1985
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts