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Тест по теме: "Кислород"

Authored by Ирина Кизилова

Chemistry

8th Grade

Used 1+ times

Тест по теме: "Кислород"
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Химический символ кислорода

O

O2

H

C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Относительная атомная масса кислорода

12

1

32

16

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Химическая формула молекулы кислорода

H

O

O2

H2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сколько кислорода в природе?

32%

77%

21%

49%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Валентность кислорода

I

II

III

VI

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сколько кислорода в воздухе ?

49%

21%

77%

50%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Число протонов в атоме кислорода

16

32

8

24

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