
Elektrochemia
Authored by Agnieszka Wróblewska
Chemistry
11th Grade
Used 97+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Stopień utlenienia siarki w H2SO4 wynosi
IV
VI
II
-VI
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reakcja H2O + SO3 => H2SO4
jest reakcją redox
jest reakcją utleniania i redukcji
nie jest reakcją redox
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W reakcji Ca + Cl2=> CaCl2 reduktorem jest
chlor
wapń
miedź
chlorek wapnia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Utlenianie to reakcja, której towarzyszy
oddawanie elektronów
przyjmowanie elektronów
oddawanie protonów
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
W reakcji MnO2 + Al => Al2O3 + Mn prawidłowo kolejne współczynniki zapisano
2,3,2,3
2,3,3,2
3,4,2,3
2,4,2,3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W równaniu 2KClO3 => 2KCl + 3O2 chlor jest w substratach na którym stopniu utlenienia?
V
III
-V
0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W równaniu 2KClO3 => 2KCl + 3O2 chlor jest w produktach na którym stopniu utlenienia?
V
-I
I
-V
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