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?

  • manufacture of tooth pastes
  • treatment of simple golitre
  • vulcanization of rubber
  • sterilization of water checkmark

The correct answer is: D

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