БЖБ-4 7 А

БЖБ-4 7 А

1st Grade

20 Qs

quiz-placeholder

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БЖБ-4 7 А

БЖБ-4 7 А

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Hard

Created by

Ersultan Turgunov

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Алюминий элементінің нейтрон (n) саны

13

14

27

12

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Na2CO3 молекулалық массасын (Mr) есептеңіздер

85 г/моль

106 г/моль

101 г/моль

98 г/моль

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Кальций оксидінің (CaO) молекулалық массасы

28 г/моль

16 г/моль

40 г/моль

56 г/моль

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Натрий (Na+) сульфатының (SO42-) формуласы

Na2SO4

NaSO4

Na(SO4)2

Na4SO

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Фосфор элементінің электрон (e) саны

30

16

15

31

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Сілтілік металл

Ne

Cl

Ca

Na

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ауадағы оттектің көлемдік үлесі (%)

0,94

0,03

20,95

78

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