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KO ₂ (potassium super oxide) is used in oxygen cylinders in space and submarines because it

Options

  1. Aabsorbs CO ₂ and increases O ₂ content
  2. Beliminates moisture
  3. Cabsorbs CO ₂
  4. Dproduces ozone.

Correct answer

A. absorbs CO ₂ and increases O ₂ content

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