In a compound formed by $Xe$ and $F$,the mass percentage of $Xe$ $(M=133)$ is $63.8\%$. The oxidation state of $Xe$ in this compound is ..........

Which of the following statements is $NOT$ true for noble gases?

Complete hydrolysis of $XeF_6$ gives $HF$ along with compound $X$. The hybridisation in $X$ is

Which statements are $NOT$ $TRUE$ about $XeO_{2}F_{2}$?
$A$. It has a see-saw shape.
$B$. $Xe$ has $5$ electron pairs in its valence shell in $XeO_{2}F_{2}$.
$C$. The $O-Xe-O$ bond angle is close to $180^{\circ}$.
$D$. The $F-Xe-F$ bond angle is close to $180^{\circ}$.
$E$. $Xe$ has $16$ valence electrons in $XeO_{2}F_{2}$.
Choose the correct answer from the options given below.

Which noble gas is most abundant in the atmosphere?

Which of the following compounds reacts with Pyrex glass?