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Alcohol

Discover Alcohol: 297 flashcards with questions and answers.

Subject
Sciences / Chemistry
Language of creation
English
297 flashcards No ratings yet 0 views
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Cards in this set

Card 261

Question

What term in viticulture encompasses geographical factors such as soil, climate and topography?

Answer

Terroir

Card 262

Question

What is a "terroir" in the winemaking industry?

Answer

Terroir refers to the combination of factors such as the soil, climate, topography, and traditional practices that influence the characteristics of a wine, giving it a unique identity based on the vineyard's location.

Card 263

Question

Describe the beer fermentation process.

Answer

The act of using yeast and simple sugars to produce ethyl alcohol and CO2

Card 264

Question

The uncurling of tea leaves when hot water is poured on is called?

Answer

The agony of leaves

Card 265

Question

What is the method champenoise?

Answer

The carbonation of wine by secondary fermentation in the bottle.

Card 266

Question

What is the cause of the haze in beer?

Answer

The haze in beer is often caused by the interaction between proteins (from the malt) and polyphenols (from hops), especially when the beer hasn't been properly filtered or conditioned.

Card 267

Question

What is Free-run juice wrt wine production?

Answer

The juice separated from the seeds, stems, and skins following the initial crush without pressing

Card 268

Question

What is the term 'must' wrt wine production?

Answer

The mash of freshly pressed grapes and their juice

Card 269

Question

What is the term 'lees' wrt wine production?

Answer

The material that settles at the bottom of the fermentation tank/barrel

Card 270

Question

Why is beer frequently used for deep fried foods?

Answer

The protein in beer helps with browning; the carbonation helps to create a light, crispy batter; the alcohol content also evaporates quickly, which contributes to the crispness and texture.

Card 271

Question

What is enology?

Answer

The study of wine and winemaking

Card 272

Question

What do sec, demi sec and brut describe?

Answer

The sweetness of sparkling wines such as Champagne. Sec: medium sweet, Demi-sec: slightly sweet, Brut: dry or not sweet. 90% of champagne wines are categorized as Brut.

Card 273

Question

When cysteine in wine breaks down, what happens to the sensory quality?

Answer

The wine develops a sulfurous or rotten-egg like odor

Card 274

Question

Why were hops originally used in beer?

Answer

They are a natural preservative

Card 275

Question

The Reinheitsgebot law from 1516 AD in Germany identified what?

Answer

Three ingredients that can be used to brew beer: barley, water and hops

Card 276

Question

What is the name of the sweet syrup added to sparkling wines for secondary fermentation?

Answer

Tirage or Liquer de tirage

Card 277

Question

T2N is a compound often found in stale beers. What does it stand for?

Answer

Trans-2-nonenal

Card 278

Question

Stale beer frequently contains elevated levels of what compound?

Answer

Trans-2-nonenal (aka T2N)

Card 279

Question

Who regulates alcohol in US?

Answer

TTB (Alcohol and Tobacco Tax and Trade Bureau)

Card 280

Question

Name one drink that is named for the wormwood plant.

Answer

Vermouth and absinthe

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