Which of the following is employed in flash tubes in photography?

Hydrolysis of which of the following is not an example of a redox reaction?

In reaction $(1)$, $XeF_6$ undergoes complete hydrolysis to form $HF$ and $X$. In reaction $(2)$, $XeF_6$ undergoes partial hydrolysis to form $HF$, $Y$, and $Z$. The products $X, Y, Z$ respectively, are

In the preparation of compounds of $Xe$,Bartlett had taken $O_2^+PtF_6^-$ as a base compound. This is because:

Which of the following pairs of inert gases is used in flash bulbs?

The percentage of $Ar$ in dry air is approximately .......... $\%$. (in $\%$)