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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 441:
Fluorine is more reactive than chlorine mainly because fluorine:
  • A Contains larger atoms naturally
  • B Gains electrons more easily
  • C Possesses metallic properties
  • D Conducts electricity strongly
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Question 442:
Sodium is stored under kerosene mainly because sodium:
  • A Forms coloured compounds
  • B Conducts electricity strongly
  • C Reacts rapidly with air
  • D Possesses high density
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Question 443:
The ability of metals to form wires is called:
  • A Brittle crystalline property
  • B Ductile metallic property
  • C Reactive chemical property
  • D Malleable structural property
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Question 444:
Sodium differs from aluminium because sodium:
  • A Resists atmospheric moisture
  • B Possesses lower reactivity
  • C Corrodes more rapidly
  • D Forms protective coatings
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Question 445:
Galvanizing protects iron from rusting mainly by:
  • A Coating iron with zinc
  • B Mixing iron with copper
  • C Heating iron strongly
  • D Removing atmospheric oxygen
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