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Question
Reason for forming gas bubbles when a coke bottle is opened.
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Solution
The correct option is B Decrease in pressure
We are going to apply Henry’s law here. Henry’s law states that by increasing pressure on liquids, solubility of gases increases. To make the drinks really fizzy manufactures add CO2 which is only possible when there is lot pressure in the bottle. When we open the bottle the pressure decreases to normal atmospheric pressure which decreases the solubility of CO2 . So the gas evolves from the drink forming bubbles.
We are going to apply Henry’s law here. Henry’s law states that by increasing pressure on liquids, solubility of gases increases. To make the drinks really fizzy manufactures add CO2 which is only possible when there is lot pressure in the bottle. When we open the bottle the pressure decreases to normal atmospheric pressure which decreases the solubility of CO2 . So the gas evolves from the drink forming bubbles.
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