塩化銅水溶液を電気分解した。陰極に付着した赤褐色の物質は何か。

3化学6

Quiz
•
Other
•
7th Grade
•
Medium
誠徳 三木
Used 1+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
銅
塩
水
塩素
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩化銅水溶液に電流を流したとき,陰極側に付着した物質を調べるためにやったことは何ですか?
みがく
におう
さわる
なめる
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩化銅水溶液を電気分解した。陽極に発生した気体は何か。
塩素
二酸化炭素
水素
酸素
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩素はどのようなにおいといえるか。
無臭
腐った卵のようなにおい
甘いにおい
プールの消毒のようなにおい
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩化銅の電気分解の化学反応式を書きなさい。
Cu+Cl₂→CuCl₂
CuCl→Cu+Cl₂
CuCl₂→Cu+Cl₂
Cu2Cl→Cu+2Cl
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