Ethanol reacts with sodium and forms two products. These are:

Define oxidising agents. Explain its role in the oxidation of alcohols to acids. Write the oxidation reaction of ethanol.

What is the percentage of sulfur used in vulcanized rubber for battery casings (in $\%$)?

What is the general formula for the corresponding alcohol of an alkane?

Which of the following polymer substances is inert towards environmental processes?

An element is a main constituent of paper,diamond and clothes etc. It forms covalent bonds with itself and other elements.
$(a)$ Identify the element.
$(b)$ Write the electron dot structure of its oxide.
$(c)$ Draw the electron dot structure of methane and ethane.