Диктант 15.12
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Любовь Тыганова
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6 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Горение свечи - это явление
физическое
химическое
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Плавление парафина - это явление
физическое
химическое
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Формула оксида натрия
NO
N2O
NaO
Na2O
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
К каким оксидам относят оксид натрия?
несолеобразующие
основные
амфотерные
кислотные
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Как называется вещество Al2O3?
алюминий кислород
алюминий 2 О 3
оксид алюминия
оксид алюминия (III)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Найдите среди формул оксид железа (II)
FeO
FeO2
Fe2O3
здесь нет правильного ответа
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