Which statements describe disadvantages of manufacturing ethanol by fermentation
CHEMISTRY · Single correct · A Level · Chemistry · Alcohols · Alcohols
Problem
Which statements describe disadvantages of manufacturing ethanol by fermentation?
1 The process uses a renewable resource.
2 The process produces impure ethanol.
3 The process requires a high temperature.
4 The process is slow.
(A) 1 and 3
(B) 1 and 4
(C) 2 and 3
(D) 2 and 4