Stopień utlenienia cząsteczki tlenu O₂ wynosi

Chemia 102

Quiz
•
Chemistry
•
9th Grade
•
Hard
Piotr Śwital
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
I
II
-II
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reakcja, której towarzyszy przyjmowanie elektronów to reakcja
redukcji
utleniania
addycji
substytucji
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Półogniwo, na którym zachodzi reakcja utleniania to
anoda (-)
anoda(+)
katoda(-)
katoda(+)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kwasy pod wpływem wody dysocjują na
kationy wodoru
aniony reszty kwasowej
aniony wodorotlenkowe
aniony wodoru
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jeżeli pH roztworu wynosi 4, to jego pOH wynosi
10
14
4
12
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Przykładem alkanu jest
butan
propen
benzen
etyn
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
W reakcji spalania całkowitego produktami są
woda
tlenek węgla(IV)
tlenek węgla(II)
węgiel
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