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Asked by rubaty to Angela, Gabriele, Karen, Shane on 20 Nov 2013.
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Shane Mc Guinness answered on 20 Nov 2013:
Great question. There is lots of gas contained in fizzy drinks. And not just the gas you see you when you open the bottle! It’s dissolved in the liquid itself and is only released when you give it some energy, like shaking the bottle, making it warmer, or start to break up the liquid with acid.
That’s exactly what you’re doing when you drink it. You’re moving it around, warming it up, and exposing it to the acid in your stomach. So, the gas is released in your stomach and has to go somewhere! So it’s released through your mouth as a burp!
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Karen McCarthy answered on 20 Nov 2013:
Did you know also Rubaty, that in some cultures, burping after food is actually considered a compliment, meaning that your food was quite tasty and enjoyable!
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Angela Stevenson answered on 20 Nov 2013:
Interesting question rubaty! well, we know that fizzy drinks are basically sugar, flavoring, water, preservatives and most importantly, invisible carbon dioxide gas (the thing that makes soda bubbly). This gas is pumped into bottles at the bottling factory using tons of pressure. It’s this gas that builds up in your stomach and eventually has to come out… as a burp. hope that helps 🙂
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