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Chemistry WAEC Past Questions

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1606

 

The IUPAC name of the compound represented by the structure below is ?








 

  • A. 2- chloro but-I ,3-diene.
  • B. But-1,3-chlorodiene.
  • C. 2-chloro but-diene.
  • D. 3 -chloro but -1.3-diene.
View Answer & Discuss (6) WAEC 2020
1607

Which or the following substances is a polypeptide?

  • A. Starch
  • B. Glycogen
  • C. Protein
  • D. Fats
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1608

Which or the following products could be formed during incomplete combustion of a hydrocarbon.

i.Carbon ii. Hydrogen III. Carbon (Il) oxide

  • A. I only
  • B. I and II only
  • C. I and III only
  • D. II and III only
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1609

What quantity of electrons is lost when one mole of iron (II) ions is oxidized to iron (III) ?

  • A. 0 mole
  • B. I mole
  • C. 2 moles
  • D. 3 moles
View Answer & Discuss (6) WAEC 2020
1610

What is the mass of silver deposited when 24,125 C of electricity is passed through a solution or silver salt.

[Ag = 108, IF = 96,500 C ]

  • A. 432g
  • B. 108g
  • C. 54g
  • D. 27g
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