CHEMIA KLASA VII
1st - 5th Grade
•25 Qs
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CHEMIA KLASA VII
Quiz
•
Chemistry
•
1st - 5th Grade
•
Medium
Izabela Kos
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tlenek węgla (IV) ma wzór:
CO
CO2
C
O2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Wartościowość siarki wynosi (VI) w tlenku
SO2
SO3
SO
S2O
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaki jest wzór sumaryczny tlenku wapnia, wiedząc, że wapń jest wartościowy (II)
CaO
Ca2O
CaO2
Ca2O2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Który zapis to 4 atomy siarki
S4
4S
4S4
4S4S
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Który zapis opisuje 2 trójatomowe cząsteczki tlenu
3O2
3O3
2O3
2O
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Związek powstały z Fe(III) i O(II) ma wzór
FeO
Fe3O4
Fe2O3
FeO2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W którym związku pierwiastek połączony z tlenem jest (III) wartościowy
NO
NO2
N2O5
N2O3
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