Sulfur and Sulfur Dioxide

Identify the characteristic smell of sulphur dioxide from the following.

List the various uses of sulphur?

Sulphur is an odourless, tasteless, light yellow solid. 

What are the properties of sulphur?

How to extract sulphur form sulphur beds?

Explain the process of extraction of sulphur from hydrogen sulphide?

How do you draw the structure of sulphur?

The ${\mathrm{S}}_8$ molecule has a crown-shaped ring structure with the α-form.

Sulphur compounds occur naturally.

What is the chemical formula of sulphur dioxide?

${\mathrm{SO}}_2$ acts as a bleaching agent in presence of moisture. This is due to the _____  nature of ${\mathrm{SO}}_2$. (reducing / oxidising)

Oxidation of Sulphur dioxide into Sulphur trioxide in the absence of a catalyst is a slow process but this oxidation occurs easily in the atmosphere. Explain how does this happen? Give chemical reaction for the conversion of SO2 and SO3.

Sulphur dioxide is present in liquid form.

Cotyledons are also called-