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Monday, 15 June 2026
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Chemistry Past Questions and Answers

Waec Chemistry Questions

Question 1341:
The shape of the water molecule is_______?
  • A Linear
  • B Pyramidal
  • C Tetrahedral
  • D V-shaped
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Question 1342:
Which of the following elements would produce coloured ion in agueous solution?
  • A Calcuim
  • B Copper
  • C Magnesuim
  • D Sodium
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Question 1343:
The minimum amount of energy required for effective collisions between reacting particles is known as
  • A Activation energy
  • B Bond energy
  • C Kinetic energy
  • D Potential energy
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Question 1344:
The bond formed between H2O and H+ to form the hydroxonium H3O+ is
  • A Dative
  • B Covalent
  • C Electrovalent
  • D Ionic
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Question 1345:
An element X froms the following oxides X2O, XO and XO2. This phenomenon illustrates the law of________?
  • A Conservation of mass
  • B Definite proportion
  • C Mass action
  • D Multiple proportion
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