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Chemistry 1999 JAMB Past Questions

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41
POlyvinyl chloride is used to produce
  • A. bread
  • B. pencils
  • C. ink
  • D. pipes
View Answer & Discuss (2) JAMB 1999
42
An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be
  • A. alkene
  • B. alkanal
  • C. alkanone
  • D. alkanoic acid
View Answer & Discuss (5) JAMB 1999
43
When the two end alkyl groups ethyl ethanoate are interchange, the compound formed is known as
  • A. methyl ethanoate
  • B. ethyl propanaote
  • C. methyl propanoate
  • D. propyl ethanoate
View Answer & Discuss (5) JAMB 1999
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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44
From the diagram above the mass of crystals deposited when 1 dm 3 of a saturated solution of NaCl is cooled from 80 oC to 60oC is
[Na = 23, Cl = 35.5]
  • A. 117.00 g
  • B. 58.50 g
  • C. 11.70 g
  • D. 5.85 g
View Answer & Discuss (6) JAMB 1999
45
In the diagram above, Y is a mixture of
  • A. calcium hydroxide and ammonium chloride
  • B. calcuim hydroxide and sodium chloride
  • C. sodium chloride and ammonuim trioxonitrate (V)
  • D. sodium dioxonitrate (lll) and ammouium chloride
View Answer & Discuss (5) JAMB 1999
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