Question
What is observed when a bottle containing cold drink is opened? Give reason. [3 MARKS]
Answer:
:
Observation : 1Mark
Reason : 2Mark
Whena bottle containing cold drink isopened, bubbles can be seen coming out with a fizzing sound.
Cold drinks contain dissolved CO2 at high pressure. When we open a bottle of cold drink, the dissolved CO2 gushes out in the form of bubbles with a fizzing sound due sudden decrease in pressure. The fizzing sound is because of sudden release of CO2.
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:
Observation : 1Mark
Reason : 2Mark
Whena bottle containing cold drink isopened, bubbles can be seen coming out with a fizzing sound.
Cold drinks contain dissolved CO2 at high pressure. When we open a bottle of cold drink, the dissolved CO2 gushes out in the form of bubbles with a fizzing sound due sudden decrease in pressure. The fizzing sound is because of sudden release of CO2.
Was this answer helpful ?
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