Why does Soda fizz?
It happens not only in soda, but in other soft drinks – that fizz is noticed when the bottle is opened.Ã’šÃ‚ The soda manufacturers create this froth by pushing carbon-dioxide into the water at very high pressures.Ã’šÃ‚ The pressure will be around 1200 pounds/square inch.Ã’šÃ‚ After applying very high pressure the bottle is closed.Ã’šÃ‚ There are no bubbles seen inside the closed bottle.Ã’šÃ‚ The gas remains dissolved in the water as long as the bottle is closed.Ã’šÃ‚ The gas exists as carbonic acid, and due to which it has a pungent taste.Ã’šÃ‚ When the bottle is opened the pressure is released, and the gas starts coming out of the bottle.Ã’šÃ‚ The bubbles are created inside the liquid and they try to reach the surface.Ã’šÃ‚ The gas, in order to come out of the liquid by breaking the liquid strength, it needs to be triggered by a force.Ã’šÃ‚ By shaking the bottle the force required for the bubbles to reach the surface is generated.
The other way to provide energy for the gas inside the bottle to come out is by opening the bottle.Ã’šÃ‚ The temperature that is warm outside also passes inside, and allows the gas to become warmer.Ã’šÃ‚ The warm gas rises to the surface in the form of bubbles.Ã’šÃ‚ After reaching the surface they create froth, and the popping of bubbles occurs at the surface of the liquid.
When gas is dissolved in a liquid under pressure it gets released with an explosion when it is allowed to.Ã’šÃ‚ When we shake the liquid the dissolved gas forms bubbles, and the gas combines with the bubbles to come out as vapor, which appears as fizz.Ã’šÃ‚ If ice crystals are added to the soda, the fizzling continues.Ã’šÃ‚ For the soda to remain calm, the bottle must be stoppered, or it has to be kept aside without being shaken.
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