砂と混ざってしまったヨウ素を分離したい。どの分離法が最も適しているか?

物質の三態 化基

Quiz
•
Science
•
9th - 12th Grade
•
Hard
恒 川田
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
蒸留
昇華法
ろ過
再結晶
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
昆布やかつおから出汁を取る行為
抽出
ろ過
蒸留
再結晶
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
温度計の位置として正しい選択肢を選べ。
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
粒子が熱運動によって自然に広がっていく現象を何というか?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
朝、森の葉に朝露がついていた、これに関係する現象は?
凝固
融解
凝縮
蒸発
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
次のうち、正しいものを選べ
温度が一定なら、それぞれの粒子は同じ運動エネルギーを持つ
水は液体より固体の方が密度が小さい
固体は位置を変えることはないので、熱運動もしていない
沸騰とは液体の表面から気体への変化が起きる現象である
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
注射をする前にエタノールを塗ったらスッとした、これに関係する現象は?
蒸発
融解
昇華
凝縮
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