Zeenat took freshly ground idli batter in a glass bottle. She added a few table spoons of sour curd to it. Then she tied a balloon on the mouth of the bottle as shown in the figure below. She kept the jar for a few hours in a hot place and found that the balloon had inflated. Which of these is the reason for the inflating of the balloon?
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Answer:
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Explanation:
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This is an ordinary thing happening in everyones house, when you mother prepared idly batter.
Fermentation occurs and as the products of that process there is evolution of Co2 gas.
Fermentation occurs when the surrounding is warm and humid.
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Explanation:
the balloon inflated due to the evolution pf gas from the idli batter due to the process of fermentation
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