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酸化還元(酸化数)

Authored by 恒 川田

Chemistry

9th - 12th Grade

Used 2+ times

酸化還元(酸化数)
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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?

−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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