Hóa học
9th Grade
•35 Qs
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Hóa học
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Ngọc Huyền
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Các chất nào là hợp chất hữu cơ
C2H2OH, C6H12O6, CH3COOH, C2H6, C2H4, CH3COONa
C6H12O6, CH3COOH, C2H6, CO, Na2CO3
CaSO4, CO2, CaC2, C2H5OH, C2H6, C6H12O6
CaSO4, CO2, CaC2, C2H5OH, C2H6, C6H12O6, CH3COOH
2.
FILL IN THE BLANK QUESTION
1 min • 10 pts
Công thức phân tử của metan (methane) là gì?
gợi ý: Viết hoa hết
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Các chất nào sau đây thuộc loại Hiđrocacbon?
CH4, CH3Cl, C2H5O2N, C6H12, C3H8, C3H4
CH4, C2H4, C6H12, C3H8, C3H4, C3H6
CH4, C2H5OH, CaC2, C2H2, C7H16, Na2CO3
CH3Cl, CH3COOH, CO, CO2, H2CO3, CH4
4.
FILL IN THE BLANK QUESTION
1 min • 10 pts
Hãy viết công thức tính thể tích khí đúng (theo đktc)
Gợi ý: Viết hoa kí hiệu thể tích, dấu nhân là “.”
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Có bao nhiêu công thức cấu tạo ứng với công thức phân tử của C5H12
3
2
6
1
6.
MULTIPLE SELECT QUESTION
45 sec • 10 pts
Hãy cho biết đâu là công thức cấu tạo ứng với công thức phân tử của C5H12
Gợi ý: có 3 đáp án đúng
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Có bao nhiêu công thức cấu tạo dạng mạch vòng ứng với công thức phân tử C4H8?
1
2
3
4
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