Азот

Азот

5th - 12th Grade

10 Qs

quiz-placeholder

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Азот

Assessment

Quiz

Chemistry

5th - 12th Grade

Practice Problem

Medium

Created by

Ольга Рябова

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какая молекулярная масса атома азота?

14

28

7

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сколько электронов имеет атом азота?

7

5

2

14

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Формула аммиака - это...

NH3

Mg3N2

HNO3

HNO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какие продукты реакции получатся

Cu + HNO3 (конц.) ->

Cu(NO3)2 + NO2 + H2O

Cu(NO3)2 + NH4NO3 + H2O

Cu(NO2)2 + NO2 + H2O

CuO + NO2 + H2O

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Азот проявляет высшую степень окисления в соединении ...

HNO3

NH3

HNO2

NO

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Степень окисления -3 азот проявляет в соединении ...

NH3

HNO3

N2O5

NO

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Какой коэффициент должен стоять перед водой?

Zn + HNO3 (к) -> Zn(NO3)2 + NO2 + H2O

1

2

3

4

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