Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
Distillation of Alcohol
If a mixture of water and alcohol is boiled, the percentage of alcohol to water is greater in vapor than in liquid. Therefore, by repeated distillation and condensation, the alcoholic strength of the distillate can be increased until it contains 97.6% alcohol. There are different methods of distillation, but they are not discussed here, as ethanol production is our prime concern.