LUYỆN TẬP RƯỢU VÀ AXIT
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Ngọc Châu Vân
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Độ rượu là:
số ml rượu etylic có trong 100 ml hỗn hợp rượu với nước.
số ml nước etylic có trong 100 ml hỗn hợp rượu với nước.
số gam rượu etylic có trong 100 ml hỗn hợp rượu với nước.
số gam rượu etylic có trong 100 ml hỗn hợp rượu với nước.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức cấu tạo của rượu etylic là:
CH3 – CH3 – O.
CH2 – CH3 – OH.
CH3 – O – CH3.
CH3 – CH2 – OH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần quyết định các tính chất đặc trưng của alcolhol lad
Nguyên tử O trong nhóm (-OH)
Nguyên tử H trong nhóm (-OH)
Nhóm (-OH) trong phân tử alcolhol
Gốc hydrocarbon trong phân tử alcolhol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rượu etylic tác dụng được với nhóm chất nào sau đây?
Na, O2, CH3COOH
Na, H2, CH3COOH
Fe, O2, CH3COOH
Fe, H2, CH3COOH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic có công thức cấu tạo thu gọn là
CH3COOH
HOOH
C2H5COOH
C2H3COOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit axetic có trong loại thực phẩm nào sau đây?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hòa tan hoàn toàn 9,75 gam kẽm trong dung dịch acetic acid (CH3COOH). Tính số gam axit axetic đã phản ứng?
9
18
27
36
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