Question

write the steps to observe fermentation of yeast by sugar​

Answer 1

Answer:

In glass 1, mix one teaspoon of yeast, ¼ cup of warm water, and 2 teaspoons of sugar. In glass 2, mix one teaspoon of yeast with ¼ cup of warm water. In glass 3, place one teaspoon of yeast in the glass. Observe each cups reaction.

Explanation:

Answer 2

Aim:

Aim: To study fermentation of sugar into alcohol by the action of yeast.

Materials required:

sugar, cups, lukewarm water, yeast

Procedure:

Take lukewarm water in a cup and add 3-4 teaspoons of sugar to it. Stir it well. Now, add half teaspoon of yeast to this solution. Cover the cup and keep it undisturbed for about 5-6 hours. After the said time, open the lid. You will smell alcohol. The yeast, that we added, fermented the sugar in the cup and converted into alcohol.