
посчитаем

Quiz
•
Chemistry
•
9th Grade
•
Hard
Marina Komarova
Used 16+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
молярная масса Н2О2
16 г/моль
18 г/моль
34 г/моль
32 г/моль
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Молярная масса Fe(NO3)3
242
238 г/моль
242
242 г/моль
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Молярная масса FeSO4*7H2O
278 г/моль
19152 г/моль
280 г/моль
19512 г/моль
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
масовая доля азота в нитрате аммония NH4NO3
35%
17,5%
17%
14%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
массовая доля кислорода в CuSO4*5H2O
57%
57,6%
58%
6,4%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
w(K)=26,5%, w(Cr)=35,4%, w(O)= 38,1% выведите формулу соединения
KCrO2
K2CrO4
KCrO3
K2Cr2O7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Сумма коэффициентов в уравнении Ca3(PO4)2 + HNO3 ->... равна
11
12
10
14
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
сумма коэффициентов правой части уравнения Fe3O4+Al->Fe+Al2O3 равна
11
24
22
13
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NH4NO2 называется
нитрат аммония
энашчетыреэнотри
нитрит азотоводорода
нитрит аммония
Similar Resources on Wayground
12 questions
хімія 7клас

Quiz
•
1st - 12th Grade
8 questions
Чрезвычайные ситуации в быту

Quiz
•
6th - 9th Grade
12 questions
Захист довкілля від стійкиз орг. забруднювачів

Quiz
•
9th Grade
10 questions
9 класс Старт 1

Quiz
•
9th Grade
12 questions
ОГЭ практика январь №7

Quiz
•
9th Grade
11 questions
Амины 10 класс

Quiz
•
9th - 12th Grade
11 questions
Солодка вікторина

Quiz
•
9th - 12th Grade
13 questions
ОГЭ апрель №8 итоговая практика

Quiz
•
9th Grade
Popular Resources on Wayground
10 questions
Video Games

Quiz
•
6th - 12th Grade
20 questions
Brand Labels

Quiz
•
5th - 12th Grade
15 questions
Core 4 of Customer Service - Student Edition

Quiz
•
6th - 8th Grade
15 questions
What is Bullying?- Bullying Lesson Series 6-12

Lesson
•
11th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Chemistry
12 questions
elements, compounds, and mixtures

Quiz
•
9th Grade
14 questions
Molecules, Compounds, & Elements

Quiz
•
9th Grade
12 questions
Significant figures

Quiz
•
9th - 12th Grade
22 questions
PHYSICAL AND CHEMICAL PROPERTIES

Quiz
•
7th - 9th Grade
18 questions
Ions

Quiz
•
9th - 12th Grade
15 questions
Lewis Dot Structures

Quiz
•
9th - 12th Grade
71 questions
Periodicity Test Prep

Quiz
•
9th - 12th Grade
23 questions
Naming ionic compounds and writing formulas

Quiz
•
9th - 12th Grade