Równania reakcji chemicznych - poprawa
Quiz
•
Other
•
7th Grade
•
Hard
Ilona Wojtania
Used 465+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje tlenek potasu
K + O -> 2KO
4K + O2 -> 2K2O
2K + O2 -> K2O
2K + O2 -> K2O2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje tlenek glinu
4 Al + 3 O2 -> 2 Al2O3
4 Al + O2 -> 2 Al2O3
2 Al + O2 -> Al2O3
2 Al + 3 O -> Al2O3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje siarczek żelaza (III)
2 Fe + 3 S -> Fe2S3
Fe2S3 -> 2 Fe + 3 S
Fe + S -> FeS
FeS -> Fe + S
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje chlorek magnezu
Mg + 2 Cl -> MgCl2
MgCl2 -> Mg + Cl2
Cl2 + Mg -> Cl2Mg
Cl2 + Mg -> MgCl2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje amoniak (wodorek azotu (III) )
2 NH2 -> N2 + 3 H2
2 NH2 -> N2 + 2 H2
N2 + 3 H2 -> 2 NH3
2 NH3 -> N2 + 2 H2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz poprawnie napisane równanie reakcji syntezy, w której powstaje chlorek srebra (I)
2 Ag + Cl2 -> 2 AgCl
Ag + Cl2 -> 2 AgCl
2 AgCl -> 2 Ag + Cl2
AgCl -> 2 Ag + Cl2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zaznacz, poprawnie napisaną reakcję rozkładu tlenku rtęci (II):
2 HgO -> 2 Hg + O2
HgO -> 2 Hg + O2
2 HgO -> Hg + O2
HgO -> 2 Hg + O
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
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
Similar Resources on Wayground
19 questions
Mengenal Masa Pra-Aksara
Quiz
•
7th Grade
20 questions
TOKOH ISLAH TINGKATAN 5
Quiz
•
7th - 8th Grade
16 questions
Fortnite
Quiz
•
KG - Professional Dev...
10 questions
Adaptasi Kebiasaan Baru & Prokes
Quiz
•
7th - 9th Grade
20 questions
ГАНДБОЛ ТЕСТЫ ФК
Quiz
•
7th Grade
10 questions
PRINSIP LIMBAH
Quiz
•
7th Grade
10 questions
Alterazioni o progressioni
Quiz
•
6th - 8th Grade
20 questions
Class 6 Hindi Chapter 9 टिकट अलबम
Quiz
•
6th - 7th Grade
Popular Resources on Wayground
10 questions
Ice Breaker Trivia: Food from Around the World
Quiz
•
3rd - 12th Grade
20 questions
Halloween Trivia
Quiz
•
6th - 8th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
4 questions
Activity set 10/24
Lesson
•
6th - 8th Grade
22 questions
Adding Integers
Quiz
•
6th Grade
10 questions
How to Email your Teacher
Quiz
•
Professional Development
15 questions
Order of Operations
Quiz
•
5th Grade
30 questions
October: Math Fluency: Multiply and Divide
Quiz
•
7th Grade
Discover more resources for Other
10 questions
Ice Breaker Trivia: Food from Around the World
Quiz
•
3rd - 12th Grade
20 questions
Halloween Trivia
Quiz
•
6th - 8th Grade
4 questions
Activity set 10/24
Lesson
•
6th - 8th Grade
30 questions
October: Math Fluency: Multiply and Divide
Quiz
•
7th Grade
20 questions
Photosynthesis and Cellular Respiration
Quiz
•
7th Grade
16 questions
Adding and Subtracting Integers
Quiz
•
7th Grade
15 questions
Halloween Characters
Quiz
•
7th - 12th Grade
10 questions
Halloween Movies Trivia
Quiz
•
5th Grade - University
