酸化還元（酸化数）
Authored by 恒 川田
Chemistry
9th - 12th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
酸化をすべて選べ
酸素を得る
電子を得る
水素を得る
水素を失う
電子を失う
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cuの酸化数は？
０
−２
−１
＋１
＋２
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
下線部の原子の酸化数が＋１のものをすべて選べ
Na+
H2
H2O
CuO
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
NO3-のN原子の酸化数は？
−５
−３
＋３
＋５
＋６
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
KClO2中のCl原子の酸化数は？
−１
＋１
＋３
＋５
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
MnO2 ＋ ４HCl → MnCl2 ＋ ２H2O ＋ Cl2
HClはどうなった？
酸化された
還元された
酸化も還元もされていない
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
下線部の酸化数が同じものを選べ
H2O2
NaOH
Cu2O
NH3
NaCl
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