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Oxidation of concentrated hydrochloric acid with manganese (IV) oxide liberates a gas used in the?

Chemistry
JAMB 1997

Oxidation of concentrated hydrochloric acid with manganese (IV) oxide liberates a gas used in the?
  • A. manufacture of tooth pastes
  • B. treatment of simple golitre
  • C. vulcanization of rubber
  • D. sterilization of water
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Correct Answer: Option D
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