Brewing

HideShow resource information
  • Created by: Cam
  • Created on: 08-06-13 20:20
How is sugar obtained from barley/grain?
Allowed to germinate, so starch broken into sugar; dried in a kiln (malting); mashed up to make sugary solution, sieved; hops added to give flavour
1 of 5
What happens if oxygen is present when the yeast-solution is fermenting?
Vinegar is made instead of beer
2 of 5
Why is alcohol distilled?
To increase the concentration of the alcohol
3 of 5
Why is beer pasteurised?
To completely stop fermentation, and kill any leftover yeast
4 of 5
What temperature is used in distillation? Why?
78°C - Alcohol turns to vapour at this point, but water doesn't
5 of 5

Other cards in this set

Card 2

Front

What happens if oxygen is present when the yeast-solution is fermenting?

Back

Vinegar is made instead of beer

Card 3

Front

Why is alcohol distilled?

Back

Preview of the front of card 3

Card 4

Front

Why is beer pasteurised?

Back

Preview of the front of card 4

Card 5

Front

What temperature is used in distillation? Why?

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »