
Викторина по химии
Authored by Marins Dzyubina
Chemistry
7th - 8th Grade
21 Questions
Used 14+ times

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Молярная масса обозначается символом:
M
N
NA
Mr
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Количество вещества обозначается символом:
m
n
N
NA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Масса 1 моль воды равна:
32 г
16 г
18 г
34 г
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите число молекул кислорода, содержащихся в 2 моль О2.
1,2 · 1023
6 · 1023
12, 04· 1023
0,60 · 1023
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Число Авогадро равно:
6 · 1020
6,02 · 1023
6,02 · 1022
6 · 1022
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Расчитайте молярную массу H2SO4
98
63
44
18
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Рассчитайте молярную массу HNO3
98
63
44
18
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