Answer
CARBON DIOXIDE, OR CO₂
二氧化碳（CO₂）
WINDOW QUESTION · ANSWERSTEAM SQUAD
The question
WHICH GAS FORMS WHEN BAKING SODA, CITRIC ACID AND WATER REACT?
小蘇打、檸檬酸和水反應時，會產生哪一種氣體？
Why it works
THE TRAPPED GAS BUILDS PRESSURE UNTIL IT LAUNCHES THE ROCKET
密閉氣體累積壓力，最後把火箭推出去
See it in action · THE CO₂ ROCKET
Watch the matching video
This video uses YouTube’s privacy-enhanced embed mode.