Ôn tập Hóa học 9 (giữa HKII)
Quiz
•
Chemistry
•
9th Grade
•
Easy
Nguyệt Đỗ
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của khí metan là
CH4
C2H4
C2H6
C2H2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metan được dùng làm nhiên liệu vì
Không màu, không mùi, không vị
Nhẹ hơn không khí
Đốt cháy tỏa nhiều nhiệt
Có nhiều trong dầu mỏ, khí thiên nhiên
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây là chất hữu cơ?
CaCO3
C3H8
CO2
NaHCO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào dưới đây là hidrocacbon?
C2H7N
CH3Cl
CH4O
CH4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo thu gọn của chất hữu cơ trên là
CH2Br - CH2 - CH2Br
CH3-CH2-CHBr2
CH2Br-CH2Br-CH3
CH3-CHBr2-CH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào dưới đây chỉ gồm muối hidrocacbonat?
MgSO4, CaCl2
NaHCO3, Na2SO4
NaHCO3, Ba(HCO3)2
CaCO3, MgCO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hãy cho biết công thức hóa học của chất có trong thành phần thuốc muối chữa đau dạ dày?
Na2SO4
NaHCO3
KCl
NaCl
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