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Q. |
A bottle of sodalime is grasped by the neck and swung briskly in a vertical circle, Near which portion of the bottle do the bubbles collect? |
A. | Near the bottom |
B. | In the middle of the bottom |
C. | Near the neck |
D. | Bubbles remain distributed uniformly |
Answer» C. Near the neck | |
Explanation: When the bottle of soda water is grasped by the neck and swung briskly in a vertical circle, the bubbles collect at the top of the bottle which is its neck. What flows in a carbonated drink is carbon dioxide gas. A carbonated beverage forms form bubbles when the dissolved carbon dioxide is depressurized to form emulsions at the top. |
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