limewater
US
・UK
A1 初級
n. (c./u.)名詞 (可數/不可數)石灰水
影片字幕
氫氣、氧氣、二氧化碳、氨氣和氯氣的測試｜化學之旅 (Testing for Hydrogen, Oxygen, Carbon Dioxide, Ammonia and Chlorine | The Chemistry Journey)
03:28
- A more accurate test is to bubble carbon dioxide through limewater, which is an aqueous solution of calcium hydroxide, also known as slaked lime.
較準確的測試方式是透過鹼水煮沸二氧化碳，鹼水是氫氧化鈣的水溶液，又稱石灰水。
- Limewater turns milky in the presence of carbon dioxide due to the formation of calcium carbonate.
鹼水會在有二氧化碳存在的時候變得混濁，這是歸因於碳酸钙的生成。