Red lead is an example of a/an .... oxide.

Which of the following elements forms a molecule consisting of eight of its own atoms?

Identify the incorrect order against the stated property.

$NaHSO_3$ is heated to produce $H_2O$ and compound $'A'$. Which of the following statements is $INCORRECT$ about $'A'$?

The compound that is used in smoke screens is

The catenation tendency of $C, Si$ and $Ge$ is in the order $Ge < Si < C$. The bond energies (in $kJ \ mol^{-1}$) of $C-C, Si-Si$ and $Ge-Ge$ bonds,respectively,are: