Which among the following is used in the breathing equipment for mountaineers?

  • A
    $Na_2O_2$
  • B
    $KO_2$
  • C
    $CaO$
  • D
    $Li_2O$

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Similar Questions

Identify the correct statements from the following.
$A$: Alkali metals are strong reducing agents.
$B$: $KO_2$ is a diamagnetic oxide.
$C$: Hydration enthalpy of $Li^{+}$ is the highest among alkali metal ions.

Alkali metals are strong reducing agents because

Number of water molecules in washing soda and soda ash respectively are:

Which of the following is the correct arrangement in increasing order of solubility?

Potassium carbonate $(K_2CO_3)$ cannot be prepared by the Solvay process. Why?

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