Sulphur (IV) oxide bleaches by

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Chemistry JAMB 2004

Sulphur (IV) oxide bleaches by

  • Reduction checkmark
  • Oxidation
  • Hydration
  • Adsorption

The correct answer is: A

Explanation

Sulphur(IV) Oxide bleaches coloured substances through the process of reduction. It removes oxygen from coloured substances and makes them colourless.

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