She took some fruit juice and added some yeast to it. She poured this mixture in a test tube fitted with a one-holed cork. She fit the cork with a bent glass tube and dip the free end of the glass tube into a test tube containing freshly prepared lime water. She observed that the lime water changed milky after some time.
Answer the following questions on the basis of the above experiment.
Q10.1 What does the observation tell us about the product formed? The gas formed is ----------------------------------.
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Answer:
Lime water will turn milky within 5-10 minutes.
It tells us that the products of fermentation are alcohol and carbon dioxide.
The sugar solution is taken because it is glucose and yeast breaks it down to ethyl alcohol and carbon dioxide during anaerobic respiration.
Answer:
the product formed are alcohol & carbon dioxide.
Explanation:
the fruit juice or the sugar solution contains glucose which reacts with yeast to form, alcohol and carbon dioxide.