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Chemistry JAMB Past Questions

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911
An example of a secondary amine is?
  • A. propylene
  • B. di-butylamine
  • C. methylamine
  • D. trimethylamine
View Answer & Discuss (4) JAMB 1995
912
The relatively high boiling points of alkanols are due to?
  • A. ionic bonding
  • B. aromatic character
  • C. covalent bonding
  • D. hydrogen bonding
View Answer & Discuss (1) JAMB 1995
913

35 cm3 of hydrogen was sparked with 12 cm3 of oxygen at 110°C and 760mm Hg to produce steam. What percentage of the total volume of gas left after the reaction is hydrogen?

  • A. 11%
  • B. 31%
  • C. 35%
  • D. 69%
View Answer & Discuss (8) JAMB 1997
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914
2.85g of an oxide of copper gave 2.52g of copper on reduction and 1.90g of another oxide gave 1.52g of copper on reduction. The data above illustrates the law of?
  • A. constant composition
  • B. conservation of mass
  • C. reciprocal proportions
  • D. multiple proportions
View Answer & Discuss (15) JAMB 1997
915
An element, X, forms a volatile hydride XH3 with a vapour density of 17.0. The relative atomic mass of X is?

(H = 1)
  • A. 34.0
  • B. 31.0
  • C. 20.0
  • D. 14.0
View Answer & Discuss (4) JAMB 1997
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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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