ÔN TẬP HỢP CHẤT CARBONYL - CARBOXYLIC ACID.
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Hoá Ms Nghĩa
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sữa chua được lên men từ sữa bột, sữa bò, sữa dê, … Sữa chua tốt cho hệ tiêu hóa. Vị chua trong sữa chua tạo bởi acid nào sau đây?
Formic acid.
Acetic acid.
Lactic acid.
Benzoic acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để loại bỏ lớp cặn màu trắng trong ấm đun nước, người ta có thể dùng dung dịch nào sau đây?
Giấm ăn.
Nước
Muối ăn.
Cồn 700.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carboxylic acid là những hợp chất hữu cơ trong phân tử có
nhóm –OH liên kết trực tiếp với nguyên tử carbon hoặc nguyên tử hydrogen.
nhóm C=O liên kết trực tiếp với nguyên tử carbon hoặc nguyên tử hydrogen.
nhóm –COOH liên kết trực tiếp với nguyên tử carbon hoặc nguyên tử hydrogen.
nhóm –CHO liên kết trực tiếp với nguyên tử carbon hoặc nguyên tử hydrogen.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name this molecule:
Propanone
Propanal
Butanone
Butanal
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Aldehyde reacts with Tollen's reagent forming:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The correct order of acidic strength of carboxylic acids is
Formic acid < benzoic acid < acetic acid
Formic acid < acetic acid < benzoic acid
Acetic acid < Formic acid < benzoic acid
Acetic acid < benzoic acid < Formic acid
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nhóm chức -COOH có tên gọi là
carbonyl
hydroxy
carbon
carboxyl
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