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1526

\(Zn + H_2 SO_4 → ZnSO_4 + H_2\)

in the above reaction, how much zinc will be left undissolved if 2.00g of zinc is treated with 10cm^3 of 1.0 M of \(H_2SO_4\)?
[Zn =65, s = 32, O = 16, H = 1]

  • A. 1.35g
  • B. 1.00g
  • C. 0.70g
  • D. 0.65g
  • E. 0.00g
View Answer & Discuss (25) JAMB 1983
1527
30 cm3 of 0.1 M Al (NO3)3 SOLUTION IS RECTED WITH 100cm3 of 0.15M of NaOH solution. Which reactant is in excess, and by now much ?
  • A. NaOH solution by 70 cm3
  • B. NaOH solution, by 60 cm3
  • C. NaOH solution by 40 cm3
  • D. Al(NO3)3 solution by 20 cm3
  • E. Al(NO3)3 solution by 10 cm3
View Answer & Discuss (18) JAMB 1983
1528

The IUPAC name for

  • A. 2-methylbut-3-ene
  • B. 2-methylbut-4-ene
  • C. 3-methylbut-2-ene
  • D. 3-methylbut-1-ene
  • E. 3-methylpent-1-ene
View Answer & Discuss (10) JAMB 1979
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1529

Which of the structural formula above is ethanoic acid is

  • A. A
  • B. B
  • C. C
  • D. D
  • E. E
View Answer & Discuss (10) JAMB 1979
1530

In the above experiment X is?

  • A. pure nitrogen
  • B. a mixture of nitrogen and oxygen
  • C. a mixture of nitrogen and carbondioxide
  • D. a mixture of oxygen and inert gases
  • E. a mixture of nitrogen and inert gases
View Answer & Discuss (14) JAMB 1980
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