What is meant by $Tin \ Cry$?

In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$\underline{S}O_2 + H_2O \longrightarrow H_2SO_3$

Explain the difference in properties of diamond and graphite on the basis of their structures.

Mark the oxide which is amphoteric in character.

Diamond and emerald are forms of which of the following respectively?

Identify the correct statements from the following.
$(i)$ Quartz is a piezoelectric material.
$(ii)$ All group $14$ tetrachlorides except $CCl_4$ are easily hydrolyzed in water.
$(iii)$ The $C-C$ bond distance within the layer of graphite is $154 \ pm$.
$(iv)$ $SiO_2$ is soluble in aqueous $HCl$ solution.