Відгадай формулу
Authored by Volodymyr Galay
Chemistry
7th Grade
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Вода
H2O2
H2
H2O
N2O
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Кисень
O3
O2
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Вуглекислий газ
CO
CO2
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Крейда
Ca
CaCO3
CaO
CaCO2
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Азот
N
Ni
N2
N2O
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