Paraffin wax is

Why lithium is kept wrapped in paraffin wax instead of preserving in kerosene?

Paraffin waxes are :

Paraffin wax expands on melting. The melting point of wax will

Paraffin wax expands on melting. The melting point of wax with increasing pressure.

Consider the following Crude oil is a direct source of 1. Asphalt 2. Paraffin wax 3. Fatty acids 4. Gas oil Which of the above are correct