12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank 12th CBSE Chemistry Alcohols, Phenols and Ethers

  • question_answer
      What is fermentation? How is ethanol manufactured by fermentation?

    Answer:

      The process of breaking of large organic molecule in smaller ones in the presence of enzyme is called fermentation. It takes place in anaerobic conditions i. e. in absence of air and in presence of enzymes. The sugar is converted to glucose and fructose in the presence of enzyme inverts. Glucose and fructose undergo fermentation in presence of enzyme zymase to give ethanol.


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