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Question
A food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too.
What would have happened if the dough was kept in the refrigerator, soon after it was prepared?
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Solution
At low temperatures, yeasts will not multiply and respire because of which the dough will not rise and will not become sour which is required for making bhaturas.
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Why did the dough rise?
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