Юный химик
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Ирина Лёвочкина
Used 1+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Укажите все соединения с ковалентной полярной связью
NaCl
H2S
CaBr2
NH3
CO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна степень окисления алюминия в Al2O3 ?
+3
-3
0
III
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите все соединения, являющиеся оксидами
H2O
Na2O2
BeO
CO
NH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите из перечня вещество, подходящее под описание ниже.
"Газ, без цвета, запаха, вкуса, примерно в 1,5 раза тяжелее воздуха"
NH3
Cl2
CO2
He
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Дайте название веществу, имеющему химическую формулу H2SO4
сероводород
оксид серы (VI)
серная кислота
сернистый газ
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Основная масса атома сосредоточена в ...
атомном ядре
электронах
протонах
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Количество протонов в ядре атома кислорода равно ...
8
16
6
2
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