$X e F_{6}$ cannot be stored in quartz or silica vessel, NaOH cannot be stored in a glass vessel and HF cannot be stored in a glass vessel.

True

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False

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Solution

The correct option is A True
$X e F_{6}$ is very reactive and cannot be stored in quartz or silica vessel because it reacts with them and forms an explosive compound $(X e O_{3})$ .
$2 X e F_{6} + S i O_{2} \to 2 X e O F_{4} + S i F_{4}$
$2 X e O F_{4} + S i O_{2} \to 2 X e O_{2} F_{2} + S i F_{4}$
$2 X e O_{2} F_{2} + S i O_{2} \to 2 X e O_{3} + S i F_{4}$

Storing strong $N a O H$ in glass vessel results in a reaction between $N a O H$ and glass, resulting in the formation of sodium silicate.
$N a O H + S i O_{2} \to N a_{2} S i O_{3} + H_{2} O$

HF also cannot be stored in glass bottles because it attacks the silicates (like sodium silicate) in glass.
$N a_{2} S i O_{3} + 8 H F \to H_{2} S i F_{6} + 2 N a F + 3 H_{2} O$

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