/ / Can I freeze whiskey?

Can I freeze whiskey

Why this whiskey froze at 20. This is an indicator of the presence of some foreign chemical compounds used in production ?? ? option with the evaporation of alcohol I throw back, the way the bottle was always closed ... and after thawing the same substance to the end, the alcoholometer showed 39-40 degrees of strength.

P.S. I'm confused (

Directly investigator for the quality of whiskey.

NORMAL PEOPLE put vodka-whiskey in the FRIDGE, and not in the freezer.

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