JAMB Chemistry 1979 Question 31

Question 31

Carbohydrates, Proteins and Amines

Starch can be converted to ethyl alcohol by

  1. A.distillation
  2. B.fermentation
  3. C.isomerization
  4. D.cracking
  5. E.cooking.
Show the answer and explanation

Answer: B (fermentation)

Explanation

Enzymes from malt and yeast break starch down to sugars and then ferment the sugars to ethanol and carbon dioxide.