Questions

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.

Kernel follows Round Robin scheme choosing a swap device among the multiple swap devices in Unix System V.

The only bird that can rotate its head to 270 degrees is OWL.

Judaism is the world's oldest monotheistic religion with the belief in one God. The followers of Judaism are called Jews.