What process takes place when yeast is added to grape juice and left for a week?

Decomposition

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Fermentation

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Distillation

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Sedimentation

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Solution

The correct option is B Fermentation
The grape juice undergoes fermentation when yeast is added to it and left for a week. Fermentation is a chemical breakdown of sugar into carbon dioxide and alcohol by yeast in the absence of air (anaerobic respiration). This process is used in the preparation of bread, cake and alcoholic beverages.

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