OBLICZENIA STECHIOMETRYCZNE
Quiz
•
Chemistry, Science
•
7th - 8th Grade
•
Practice Problem
•
Hard
Used 409+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masa substratów jest równa masie produktów reakcji chemicznej.
Tak brzmi:
Prawo stałości składu
Prawo zachowania masy
Prawo Pitagorasa
Prawo okresowości
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Spalono 18 g węgla w 48 g tlenu. Ile CO2 powstało w tej reakcji?
C + O2 → CO2
66 g
30 g
126 g
44 g
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Do poniższej reakcji użyto 12,7 g miedzi i otrzymano 15,9 g tlenku miedzi (II). Ile użyto w tej reakcji tlenu?
2Cu + O2 → 2CuO
28,6 g
32 g
3,2 g
56 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W reakcji użyto 6 g magnezu. Ile gramów siarczku magnezu w niej wyprodukowano?
Mg + S → MgS
32 g
24 g
12 g
14 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ile chlorku sodu powstanie w reakcji 4,6 g sodu z pewną ilością chloru?
2Na + Cl2 → 2NaCl
11,7 g
46 g
4,6 g
23,4 g
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2Fe2O3 + 3C → 4Fe + 3CO2
W reakcji powstało 66 g tlenku węgla (IV). Oblicz ile użyto w niej tlenku żelaza (III).
132 g
160 g
226 g
300 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oblicz ile gramów siarczku glinu powstanie w reakcji 108 g glinu z siarką.
150 g
225 g
300 g
450 g
Create a free account and access millions of resources
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
10 questions
DNA and RNA
Quiz
•
8th Grade
10 questions
LEY DE LAS PROPORCIONES DEFINIDAS.
Quiz
•
8th Grade
15 questions
Mass and Weight
Quiz
•
5th - 7th Grade
12 questions
Uzależnienia - hazard, internet
Quiz
•
1st - 12th Grade
10 questions
Ampullerin Bağlanma Şekilleri
Quiz
•
7th Grade
10 questions
Classification de la matière
Quiz
•
7th - 10th Grade
11 questions
U1 Chapter 1 - 8 STUDY GUIDE
Quiz
•
8th Grade
12 questions
Asitler ve bazlar
Quiz
•
8th Grade
Popular Resources on Wayground
5 questions
This is not a...winter edition (Drawing game)
Quiz
•
1st - 5th Grade
15 questions
4:3 Model Multiplication of Decimals by Whole Numbers
Quiz
•
5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
10 questions
The Best Christmas Pageant Ever Chapters 1 & 2
Quiz
•
4th Grade
12 questions
Unit 4 Review Day
Quiz
•
3rd Grade
10 questions
Identify Iconic Christmas Movie Scenes
Interactive video
•
6th - 10th Grade
20 questions
Christmas Trivia
Quiz
•
6th - 8th Grade
18 questions
Kids Christmas Trivia
Quiz
•
KG - 5th Grade
Discover more resources for Chemistry
20 questions
Acids and Bases
Quiz
•
8th Grade
20 questions
Chemical Reactions
Quiz
•
8th Grade
20 questions
Atomic Structure and Periodic Table
Quiz
•
7th Grade
27 questions
ICP-Chemistry Final Exam REview
Quiz
•
8th Grade
15 questions
Counting Atoms
Quiz
•
8th Grade
10 questions
Covalent vs. Ionic Bonds: Key Concepts and Characteristics
Interactive video
•
6th - 10th Grade
7 questions
Law of Conservation of Matter
Quiz
•
8th Grade
10 questions
Determining Protons, Neutrons, and Electrons from the Periodic Table
Interactive video
•
6th - 10th Grade
