
ĐÚNG SAI HOÁ THI
Authored by Phát Hồ
Chemistry
12th Grade
Used 4+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết thúc bước 2, chất lỏng trong ống nghiệm phân thành hai lớp.
Đ
S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở bước 3, có thể thay việc ngâm trong nước nóng bằng đun sôi mạnh hỗn hợp.
Đ
S
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sau bước 4, chất lỏng trong ống nghiệm phân thành hai lớp.
Đ
S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở bước 1, có thể thay acetic acid nguyên chất bằng giấm ăn để tăng hiệu suất.
Đ
S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức khung phân tử của E là
Đ
S
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E là ester của formic acid.
Đ
S
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
E có nhiệt độ sôi cao hơn acetic acid.
Đ
S
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