
redoks
Quiz
•
Chemistry
•
10th Grade
•
Medium
Anna Muszczak-Stolarczyk
Used 23+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pierwiastki w stanie wolnym mają zawsze stopień utlenienia
-II
I
III
0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Stopień utlenienia wodoru w większości związków wynosi
I
-I
II
-II
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Utlenianie, w reakcji redoks, to reakcja polegająca na:
obniżeniu stopnia utlenienia przez przyjmowanie e
połączeniu pierwiastka z tlenem
usunięciu tlenu ze związku chemicznego
podwyższeniu stopnia utlenienia przez oddawanie e
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Reduktorem jest substancja, która:
się redukuje
się utlenia
nie zmienia stopnia utlenienia
obniża swój stopień utlenienia
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Masz daną reakcję redoks: C + HNO3 CO2 + NO2 + H2O. Stopnie utlenienia węgla przed i po reakcji wynoszą odpowiednio:
O i II
II i O
O i IV
II i IV
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Stopień utlenienia siarki w wynosi:
0
-II
+IV
+VI
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Stopień utlenienia manganu w wynosi:
+II
+IV
+VI
+VII
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