
Quiz Hóa Học
Authored by Huongthcsgt88 Do
Science
8th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số phân tử Al2O3 có trong 1 mol Al2O3 là
6,022.1023.
18,066.1023.
12,044.1023.
24,088.1023.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lượng chất nào sau đây chứa số mol nhiều nhất?
16 gam O2.
8 gam SO2.
16 gam CuSO4.
32 gam Fe2O3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nguyên tử iron có trong 28 gam iron là
2,10.1023.
2,51.1023.
3,01.1023.
3,51.1023.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất khí đều nặng hơn không khí là
SO2, Cl2, H2S.
N2, CO2, H2.
CH4, H2S, O2.
Cl2, SO2, N2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thể tích của 0,35 mol khí CO2 ở điều kiện chuẩn là
0,868 lít.
8,68 lít.
86,8 lít.
868 lít.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thể tích của 0,6 mol khí CH4 ở điều kiện tiêu chuẩn là:
14,874 lít
1,4874 lít
148,74 lít
1487,4 lít
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
36 gam hơi nước chiếm thể tích ở điều kiện tiêu chuẩn là:
0,496 lít
4,958 lít
49,8 lít
49,58 lít
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