Question

10. Practical based question.
Vishal found an old tetra pack of fruit squash in his fridge. He was surprised to see that
the previous week. When he opened the pack, a gas escaped with a hissing sound. Answer The the following questions.
a. Why was the tetra pack puffed?
b. Which gas must have escaped from the pack?
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Answer 1

Explanation:

Carbon dioxide gas dissolves in a liquid solution, is compressed under high pressure. When a tetra pack is popped open, pressure is released and the carbon dioxide gas rises up. It forms countless tiny bubbles that pop and create a fizzing sound.

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