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Class 11Chemistrys-Block ElementsAlkali metals
Medium

$KO_2$ (Potassium superoxide) is used in confined spaces and submarines because it

  • A
    Eliminates moisture
  • B
    Absorbs $CO_2$ and releases $O_2$
  • C
    Produces ozone
  • D
    Only absorbs $CO_2$
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

s-Block Elements

Subtopic

Alkali metals

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