Ethanol

Question 1

What additional technique must be carried out after fermentation when making spirits, such as whisky?

Answer 1

Distillation

Question 2

What ethical issue is associated with using crops for large scale industrial processes, such as fermentation to produce ethanol?

Answer 2

It uses up valuable sources of food and farmland

Question 3

What is a disadvantage of obtaining ethanol from fermentation, rather than from ethene?

Answer 3

Fermentation uses non-renewable resources