$N a_{2} O_{2}$ and $N a_{2} O$ cannot be distinguished on the basis of oxidation properties.
If true enter 1, else enter 0.

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Solution

The statement is correct.
$N a_{2} O$ does not show oxidizing properties while $N a_{2} O_{2}$ gives:
$N a_{2} O + H_{2} O \to 2 N a O H$
$N a_{2} O_{2} + 2 H_{2} O \to 2 N a O H + H_{2} O_{2}$
Adding $C r^{3 +}$ salt into aqueous solution of each:
$N a_{2} O$ gives green ppt. of $C r (O H)_{3}$ .
$C r^{3 +} + N a_{2} O + H_{2} O \to \begin{matrix} C r (O H)_{3} g r e e n \end{matrix} ↓$
$N a_{2} O_{2}$ oxidises $C r^{3 +}$ into $C r O_{4}^{2 -} (y e l l o w)$ .
$N a_{2} O_{2} + H_{2} O + C r^{3 +} \to \begin{matrix} C r O_{4}^{2} y e l l o w \end{matrix}$

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