Question

this brown spirit is made from a fermented mash of grain to which barley and some form of malt has been added.
gin
vodka
whisky
cognac

Explanation:

Gin is made from juniper berries. Vodka is usually made from fermented grains or potatoes and is often colorless. Cognac is a type of brandy made from distilled wine. Whisky is a brown spirit made from a fermented mash of grain (such as barley) and malt.

Answer:

Whisky