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家中自製蒸餾水

Authored by Leung Kin梁志堅老師

Biology

1st Grade

Used 5+ times

家中自製蒸餾水
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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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