$XeF_4$ on partial hydrolysis produces

In noble gases,the addition of successive electronic shells leads to a decrease in their ........ .

Which is the most easily liquefiable rare gas?

Which of the following is the life-saving mixture for an asthma patient?

Among the following molecules:
$(i)$ $XeO_3$
$(ii)$ $XeOF_4$
$(iii)$ $XeF_6$
Those having the same number of lone pairs on $Xe$ are:

The density of nitrogen prepared from air is slightly higher than that of nitrogen prepared from chemical compounds. This is due to the presence of which of the following in nitrogen obtained from air?