打開汽水瓶蓋時會瞬間冒出大量氣泡，這是因為壓力減小導致哪種氣體在水中的溶解度急劇下降？ Opening a soda bottle produces a rush of bubbles. This is because a decrease in pressure causes the solubility of which gas in water to drop sharply?
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二氧化碳 / Carbon dioxide 二氧化碳在加壓下溶解於汽水中，當瓶蓋打開、壓力驟降，其溶解度大幅降低，因而形成大量氣泡逸出。 Correct! Carbon dioxide is dissolved in soda under pressure. When the cap opens and pressure drops, its solubility decreases drastically, causing bubbles to form and escape.