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Chemistry WAEC Past Questions

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1831

The following compounds are condensation polymers except

  • A. nylon
  • B. protein
  • C. starch
  • D. polyethene
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1832

What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?

  • A. One Faraday
  • B. One ampere
  • C. Three Faradays
  • D. Three amperes
View Answer & Discuss (3) WAEC 2022
1833

Which of the following compounds would react rapidly with bromine?

  • A. Benzene
  • B. Hexane
  • C. Hexene
  • D. Hexanol
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1834

Alkanols can be manufactured from alkenes by the initial reaction of alkenes with

  • A. bromine in tetrachloromethane
  • B. concentrated tetraoxosulphate(VI) acid
  • C. aqueous potassium tetraoxomanganate(VII).
  • D. sodium hydroxide solution.
View Answer & Discuss (4) WAEC 2022
1835

Which of the following statements about the standard hydrogen electrode is not correct?

  • A. The hydrogen gas is at a pressure of 1 atmosphere
  • B. A solution containing 1 mol dm-3 of H+ (aq) ions is used
  • C. A platinum electrode is used
  • D. The temperature is kept at 20 °C
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