Multiple choice general knowledge science & technology

The bubbles in champagne and soda are

  1. Hydrogen

  2. Carbon Dioxide

  3. Nitrogen

  4. Oxygen
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon dioxide is dissolved under pressure in champagne and soda, creating bubbles when released. Nitrogen is used in some beers but not common in champagne or soda. Hydrogen and oxygen are not the gases used for carbonation.

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