Questions

The sodium fusion test, or Lassaigne's test, is used in elemental analysis for the qualitative determination of the presence of foreign elements, namely halogens, nitrogen, and sulphur, in an organic compound. It was developed by J. L. Lassaigne.Silver fluoride is soluble in water and does not precipitate and thus this method cannot be used for detection of fluorine.

Inquilab Zindabad means "Long live the revolution!". The slogan Inquilab Zindabad was given by Hasrat Mohani.

In 454 B.C, laws were codified in Rome. The laws were written on tablets of wood and were known as 'Laws of Twelve Tables'.

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.