Question 47
AlkanolsPalm wine turns sour with time because
- A.the sugar content is converted into alcohol
- B.the carbon (IV) oxide formed during the fermentation process has a sour taste
- C.it is commonly adulterated by the tappers and sellers
- D.microbial activity results in the production of organic acids within it
Show the answer and explanation
Answer: D (microbial activity results in the production of organic acids within it)
Explanation
Microorganisms in the palm wine oxidize the alcohol to ethanoic acid and other organic acids, which taste sour.