
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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