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3161
Which of the following process does not take place in domestic water treatment?
  • A. Chlorination
  • B. Flocculation
  • C. Neutralization
  • D. Sedimentation
View Answer & Discuss (1) WAEC 2015
3162
A substance responsible for the sour taste of unripe orange is
  • A. Alkene
  • B. Alkanol
  • C. Alkanoic acid
  • D. Alkanoate
View Answer & Discuss WAEC 2015
3163

Which of the following products of biotechnology can be used as a fuel in place of petrol?

  • A. Butane
  • B. Ethanol
  • C. Ethene
  • D. Propanol
View Answer & Discuss (6) WAEC 2015
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3164
Which of the following polymers in thermosetting?
  • A. Bakelite
  • B. Nylon
  • C. Polypropene
  • D. Polystyrene
View Answer & Discuss (3) WAEC 2015
3165
Which of the following gases is monoatomic?
  • A. Argon
  • B. Chlorine
  • C. Nitrogen
  • D. Oxygen
View Answer & Discuss WAEC 2015
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