cheminių reakcijų lygtys
Authored by Elvyra Ajauskaite
Chemistry
2nd Grade
Used 17+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parašykite koeficentus
2N2 + 6H = 2NH3
4N + H2 = 2NH
N2 + 3H2 = 2NH3
4N + 2H3 = N2H3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kur teisingai parašyta reakcijos lygtis
geležis + deguonis = geležies (II) oksidas
2Fe + O2 = 2FeO
Fe + O2 = FeO2
2Fe + O = 2FeO
2Fe + O = FeO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nurodyk teisingai išlygintą reakcijos lygtį
N2 + 2O = N2O3
2N + O2 = N2O3
2N2 + 3O2 = 2N2O3
N2 + O2 = N2O3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nurodyk teisingai išlygintą reakcijos lygtį
Mn + O2 = Mn2O7
2Mn + 7O = Mn2O7
2Mn + 7O2 = 2Mn2O7
4Mn + 7O2 = 2Mn2O7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kur teisingai įrašyti koeficentai
Cu + O2 = CuO
2Cu + 2O2 = 4CuO
Cu + O2 = 2CuO
2Cu + O2 = 2CuO
4Cu + O2 = 4CuO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kur teisingai įrašyti koeficentai
Na + O = Na2O
4Na + O2 = 2Na2O
2Na + O = Na2O
4Na + O2 = 2Na2O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks reakcijos tipas
2H20= H2 +2O2
Jungimosi
Skilmo
Pavadavimo
Mainų
Access all questions and much more by creating a free account
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?
