Sulfuric acid has a strong affinity for water because ....

Which of the following statements regarding sulphur is not correct?

Explain the industrial manufacturing of sulphuric acid by the contact process.

Identify the element having the highest density from the following.

Identify the incorrect statement regarding ozone $(O_3)$.

Identify the correct statements from the following.
$(i)$ Oxygen shows $-2, -1, +1$ and $+2$ oxidation states.
$(ii)$ The thermal stability of $H_2O, H_2S$ and $H_2Se$ follows the order $H_2O < H_2S < H_2Se$.
$(iii)$ The reducing nature of $H_2S, H_2Se$ and $H_2Te$ follows the order $H_2S < H_2Se < H_2Te$.