Đề cương ôn tập Hóa 11_HK1_2023-20244

Quiz
•
Education
•
11th Grade
•
Medium
Vi Tường
Used 1+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2 + 3H2 ⇌ 2NH3.
Fe + 2HCl → FeCl2 + H2.
2H2 + O2 ⟶ 2H2O.
2KClO3 → 2KCl + 3O2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KHCO3.
CH4.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một dung dịch có nồng độ H+ bằng 0,01M thì pH và [OH−]của dung dịch này là
pH = 2; [OH-]=10-12 M.
pH = 2; [OH-]=10-10 M.
pH = 10-2; [OH-]=10-11 M.
pH = 2; [OH-]=10-11 M.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O2.
CO2.
N2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NH3 là chất khí không màu, không mùi, tan ít trong nước.
Khí NH3 nặng hơn không khí.
Khí NH3 dễ hoá lỏng, tan nhiều trong nước.
Phân tử NH3 chứa các liên kết cộng hoá trị phân cực.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FeS2.
CaSO4.
BaSO4.
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