
Powtórzenie wiadomości z chemii klasa 7
Quiz
•
Chemistry
•
1st - 6th Grade
•
Practice Problem
•
Hard
Anna Kucharczyk
Used 71+ times
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39 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tlenek węgla (IV) ma wzór:
CO4
CO2
C
O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
w którym tlenku wartościowość siarki 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 siarkowodoru
CH4
H2S
HCl
HF
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jak nazwiemy związek MgH2
wodorek magnezu
magnezowodór
magnezek wodoru
wodoromagnezek
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W której z poniższych reakcji otrzymamy CaO
Ca + O2 → CaO
Ca + O2 → 2CaO
2Ca + O2 → 2CaO
Ca + 2O2 → CaO
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