Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
Manipal MET2013Chemistrys Block Elements

KO ₂ is used in life supports in space crafts, submarines and emergency breathing apparatus since it

Options

  1. Aabsorbs CO ₂
  2. Brelease O ₂
  3. Creleases CO ₂
  4. Dabsorbs CO ₂ and releases O ₂

Correct answer

D. absorbs CO ₂ and releases O ₂

Step-by-step solution

It absorbs CO ₂ and releases O ₂

Practice s Block Elements on Quantrex Academy →

More from s Block Elements

Choose a false statement regarding the properties of sodium hydroxide. 2026Which element from following forms superoxide with oxygen? 2026What is the general formula of halide salts of alkali metals if M is a metal atom ? 2026Which from the following metal chlorides does not contain water of crystallisation ? 2026Which of the following compounds is formed when chlorine reacts with dry slake lime Ca(OH) ₂ ? 2026Identify the alkali metal having the smallest atomic size from following. 2026Identify the elements of alkali metals and alkaline earth metals respectively having highest 1st ionization enthalpy. 2026Which alkaline earth metal carbonate decomposes most easily? 2026 Full s Block Elements list All Manipal MET PYQs