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Microorganisms: Friend and Foe
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31/03/2021 2:48 pm
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Take 500 ml. beaker filled upto 3/4 with water. Dissolve 2-3 teaspoons of sugars in it. Add half a spoon of yeast powder to the sugar solution. Keep it covered in a warm place for 4-5 hours. Now smell the solution. Can you get a smell?
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31/03/2021 2:48 pm
It is observed that the solution smell like alcohol. This process of conversion of sugar in alcohol is known as fermentation.