What is obtained by the reaction of $N_2$ with calcium carbide $(CaC_2)$?

Explain the origin and sources of group $14$ elements.

Which is an amphoteric oxide?

In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$: $H_2\underline{S}O_5 + H_2O \longrightarrow H_2SO_4 + H_2O_2$

Identify the incorrect statement.

The element that does $NOT$ show catenation is