Thí nghiệm ethanol phản ứng với Na
Interactive Video
•
Chemistry
•
11th Grade
•
Easy
thuy lien
Used 1+ times
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3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hiện tượng quan sát được là gì ?
A. Sủi bọt khí không màu
B. Không có hiện tượng.
C. Có kết tủa trắng
D. Dung dịch chuyển màu xanh
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi cho dung dịch phenolphtalein vào dung dịch sau phản ứng sẽ có màu
A. Xanh
B. Đỏ
C. Hồng
D. Vàng
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Phương trình hóa học xảy ra ?
Evaluate responses using AI:
OFF
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