Химия - повторение 8 класса
9th Grade
•18 Qs
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Химия - повторение 8 класса
Quiz
•
Chemistry
•
9th Grade
•
Hard
Елена Леонидовна
Used 5+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К химическим явлениям относится
плавление льда
кипение воды
замерзание воды
разложение воды
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Понятие атома предложил
Евклид
Еврипид
Демокрит
Аристотель
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В четвертой группе в главной подгруппе находится элемент
кремний
цирконий
титан
гафний
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Число электронов на внешнем уровне атома хлора равно
5
3
7
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Электронную структуру 1S2 2S2 2P4 имеет элемент
бериллий
кислород
сера
углерод
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула серной кислоты
H2SO3
H2SO4
H2SO5
H2S2O8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Из перечисленных веществ к кислотам относится
NaHSO4
(NH4)2SO4
H2SO3
(MgOH)2SO4
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