Fractional freezing is a process used by chemists to separate two liquids which have a different freezing point. This happens by dropping the temperature of both liquids - one liquid will reach its freezing point and solidify, whilst the other will remain liquid. This liquid can be poured off, leaving the solid to warm and return to its liquid state. Chemistry (in Greek: χημεία) is the science of matter that deals with the composition, structure, and properties of substances and with the transformations that they undergo. ...

This process is used to increase the alcohol concentration in hard cider to make applejack, a process sometimes called freeze distillation. It is also used to make ice beer. Cider has different meanings in the United Kingdom and the United States. ... Applejack is a strong alcoholic beverage produced from apples, originating from the American colonial period. ... So-called freeze distillation is a metaphorical term for a process of enriching a solution by partially freezing it and removing frozen material that is poorer in the dissolved material than is the liquid portion left behind. ... Ice beer involves lowering the temperature of the final beer until ice crystals form. ...