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Chemistry 2002 WAEC Past Questions

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46
Which of the following statements about soapless detergents is correct? They
  • A. lather readily with hard water
  • B. increase the surface tension of water
  • C. cause hydrolysis of salts in water
  • D. from a curdy precipitate with soft water
View Answer & Discuss (3) WAEC 2002
47
Which of the following types of alkanols undergo oxidation to produce alkanoic acids? 1. Primary alkanols 11. Secondary alkanols 111. Tertiary alkanols
  • A. 1,11 and 111
  • B. l and ll only
  • C. ll only
  • D. l only
View Answer & Discuss (8) WAEC 2002
48
A suitable reagent for distinguishing between ethanoic acid ethanol is
  • A. bromine water
  • B. Fehling's solution
  • C. sodium hydrogentrioxocarbonate (IV)
  • D. ammoniacal silver trioxonitrate (V)
View Answer & Discuss (2) WAEC 2002
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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49
The reaction of sucrose with dilute HCI produces
  • A. an alkanoate
  • B. glucose and fructose
  • C. a black mass of carbon
  • D. a polysaccharide
View Answer & Discuss WAEC 2002
50
The energy value of petrol can be determined by a
  • A. bomb calorimeter
  • B. catalytic cracker
  • C. fractionating column
  • D. thermometer
View Answer & Discuss (3) WAEC 2002
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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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