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2506
The products of fermentation of sugar are
  • A. carbon(IV) oxide and water
  • B. ethanol and carbon (IV) oxide
  • C. ethanol and water
  • D. ethanol and enzymes
View Answer & Discuss WAEC 2010
2507
The IUPAC name of C2H6COOC2,/sub>H6 is
  • A. ethyethanoate
  • B. ethylproanoate
  • C. propylethanoate
  • D. propylpropanoate
View Answer & Discuss (1) WAEC 2010
2508
An organic compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. What is the empirical formula of the compound? [O = 16.0, C = 12.0, H = 1.0]
  • A. C2HO
  • B. CHO
  • C. CH2O
  • D. CHO2
View Answer & Discuss WAEC 2010
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2509
Compound N reacts with sodium metal to produce a gas that gives a 'pop' sound with a burning splint N also react with ethanoic acid to give a sweet smelling liquid. Compound N is an
  • A. alkanol
  • B. alkanoate
  • C. alkane
  • D. alkanoic acid
View Answer & Discuss (4) WAEC 2010
2510
The main function of limestone in the blast furnance is to
  • A. act as a reducing agent
  • B. act as a catalyst
  • C. remove impurities
  • D. supply carbon (IV) oxide
View Answer & Discuss (5) WAEC 2010
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