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

Which of the following substances is known as lead sugar?

The element that shows greater ability to form $p\pi - p\pi$ multiple bonds is

The formula of the following silicate anion structure is,where $\cdot = Si$ atom,$o = O$ atom.

Consider the following statements:
$(a)$ $R_2SiO$ is the repeating unit of linear silicones.
$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones.
$(c)$ Silicones can be used as heat insulators.
$(d)$ Silica is soluble in $HF$.
The correct statement$(s)$ is/are:

Which one of the following statements about allotropes of carbon is incorrect?