
Chemia klasa 7
Authored by Anna Podbielska
1st Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tlenek węgla (IV) ma wzór:
CO
CO2
C
O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wartościowość, którego pierwiastka w tlenku wynosi (VI)
SO2
SO3
SO
S2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki jest wzór sumaryczny tlenku wapnia, wiedząc, że wapń jest (II)
CaO
Ca2O
CaO2
Ca2O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Który z poniższych związków to tlenek sodu
SO
Na2O
SeO2
SO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki jest wzór wodorku potasu
NaH
KH
CaH2
PH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki jest wzór siarkowodoru
CH4
H2S
HCl
HF
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak nazwiemy związek MgH2
wodorek magnezu
magnezowodór
magnezek wodoru
wodoromagnezek
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