A + H_2O to NaOH; A xrightarrow[400 ^oC]{O_2 | vedclass

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(B) The reactions are as follows:$Na_2O + H_2O 	o 2NaOH$$Na_2O \xrightarrow[400 \ ^oC]{O_2} Na_2O_2$$2Na_2O_2 + 2H_2O \xrightarrow[25 \ ^oC]{} 4NaOH

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$Na_2O$ and $Na_2O_2$

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(B) The reactions are as follows:$Na_2O + H_2O 	o 2NaOH$$Na_2O \xrightarrow[400 \ ^oC]{O_2} Na_2O_2$$2Na_2O_2 + 2H_2O \xrightarrow[25 \ ^oC]{} 4NaOH + O_2$$Na_2O_2$ (Sodium peroxide) is used for the purification of air in confined spaces such as submarines because it reacts with $CO_2$ and $H_2O$ to release $O_2$.

$A + H_2O \to NaOH$; $A$ $\xrightarrow[400 \ ^oC]{O_2} B$ $\xrightarrow[25 \ ^oC]{H_2O} NaOH + O_2$
$B$ is used for oxygenating in submarines. $A$ and $B$ are:

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$A + H_2O \to NaOH$; $A$ $\xrightarrow[400 \ ^oC]{O_2} B$ $\xrightarrow[25 \ ^oC]{H_2O} NaOH + O_2$$B$ is used for oxygenating in submarines. $A$ and $B$ are: