The nitrogen oxide(s) that contain(s) $N-N$ bond(s) is/are

Q. The nitrogen oxides that contain N – N bond(s) is:

Q. The nitrogen oxide(s) that contain(s) $N-N$ bonds is/are:

Q. The nitrogen oxides that contain N – N bond(s) is:

Q. Which blue liquid is obtained on reacting equimolar amounts of two gases at – ${30}^{\circ }C$

Q. The nitrogen oxide that does not contain a N - N bond is: