Question

Which
of
the following
is
used to manufacture ethanol from starch:(1)penicillne (2)sacchromyces (3)azotobactor (4)lactobacillus​

Answer 1

Answer:

Ethanol is a very interesting chemical compound which can be used in different applications such as drinking alcohol in beverages as well as in chemicals, pharmaceuticals, and biofuels. Production of alcoholic beverages based on biomass containing sugar can be assumed as old as human civilization. The production of ethanol from starch using a fermentation process started most probably in beer-producing countries approximately in the twelfth century. The production of “pure” ethanol is also a very long known process. The development of more efficient distillation processes in the nineteenth century led to large increase in industrial trade of ethanol. The largest amount of the industrial ethanol was still used for alcoholic beverages. But also other applications like the use in the chemical industry, as lamp fuel and as a fuel have been exploited. The use of ethanol as a fuel started at the beginning of the twentieth century, the time the...