Like most distilled beverages, distillation increases the alcohol content.
The distillation process occurs when producing the base spirit which then will be mixed with water to produce vodka.
Your question doesn't make sense, as alcohol is a compound which is made through fermentation. It is not 'used' in vodka, the alcohol is created during the fermentation process involved in making the Vodka. Vodka is made by fermenting and distilling potato juice.
fractional ditilation
distilation
to hold vodka
Azeotropic distillation is any of a range of techniques used to break azeotropes in distillation
vodka + fire
Vodka is made from potatoes. Pretty much any grain, fruit or vegetable can be used for the sugars to create the alcohol.
firearm+vodka=russian roulette
use vodka by itself. that is what shots are for...
distillation of water
distilation
Vodka is mostly ethyl alcohol - which is a good solvent for many organic scents. it also make the sent stronger