
家中自製蒸餾水
Quiz
•
Biology
•
1st Grade
•
Medium
Leung Kin梁志堅老師
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6 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
蒸餾水找不到以下哪種物質?
空氣
水分子
礦物質
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
為什麼要把窩中的自來水加熱?
加快水的凝結
加快水的蒸發
加快水的運輸
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
為什麼要把窩蓋反轉?
方便收集引導水滴移向中間
方便收集引導水滴移向外圍
方便水的蒸發
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
窩蓋玻璃有何特點以導致水滴形成?
溫度較低於水蒸氣
溫度較高於水蒸氣
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
為什麼要在窩內放一個小容器?
收取水蒸氣
收取冷卻了的自來取
收取冷卻了的蒸餾水
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
當窩裡的水完全被蒸發走之後,
有些白色物質會在窩內出現,這些物質是什麼?
自來水的二氧化碳
容器的碎片
自來水的礦物質
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