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Chemistry JAMB Past Questions

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1566
The acidic hydrogen in the compound is the hydrogen attached to carbon number
  • A. 5
  • B. 4
  • C. 3
  • D. 1
View Answer & Discuss (13) JAMB 1988
1567

It can be deduced from the vapour pressure curves above that

  • A. liqiud 1 has the highest boiling point
  • B. liquid ll has the highest boiling point
  • C. liquid lll has the highest boiling point
  • D. liquid lll has the lowest boiling point
View Answer & Discuss (5) JAMB 1989
1568

In the above set up substances X and Y are respectively

  • A. lime water copper (ll) tetraoxosulphate (lV)
  • B. potassium trioxocarbonate and alkaline pyrogallol
  • C. potassium hydroxide and alkaline pyrogallol
  • D. potassium trioxocarbonate (lV) and concentrated tetraoxosulphate (IV) acid
View Answer & Discuss (19) JAMB 1989
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1569
Which of the curves in the above graph illustrates the behaviour of an ideal gas?
  • A. W
  • B. X
  • C. Y
  • D. Z
View Answer & Discuss (2) JAMB 1989
1570

The above diagram gives the potential energy profile of the catalyst and uncatalysed reactions of X(g) + Y(g) → XY(g). Deduce the respective activation energies in KJ of the catalysed and uncatalysed reverse reactions: XY(g) → X(g) + Y(g)

  • A. 300, 500
  • B. 500, 300
  • C. -300, -500
  • D. -500, -300
View Answer & Discuss (22) JAMB 1989
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