CaO to

chemia tlenki i wodorotlenki

Quiz
•
Chemistry
•
7th Grade
•
Hard
Monika z
Used 10+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tlenek węgla
tlenek wapnia
tlenek wapnia (II)
wapień tlenu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaką wartościowość ma tlen w tlenkach?
I
III
II
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co musimy dodać do magnezu, żeby otrzymać tlenek magnezu?
wodę
wodór
tlen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
....K + O2 -> 2K2O jaką cyfrę trzeba wstawić w miejsce ...
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki wzór ma tlenek żelaza (III)
FeO
Fe3O2
Fe2O3
O3Fe2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na jaki kolor zabarwi się fenoloftaleina w ph = 14?
czerwony
malinowy
bezbarwny
zółty
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki odczyn ma wodorotlenek sodu?
kwasowy
zasadowy
obojętny
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