Bài tập về rượu etylic
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
kim ngan
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho rượu etylic 900 tác dụng với natri. Số phản ứng hóa học có thể xảy ra là :
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hòa tan 30 ml rượu etylic nguyên chất vào 90 ml nước cất thu được
rượu etylic có độ rượu là 200.
rượu etylic có độ rượu là 250.
rượu etylic có độ rượu là 300
rượu etylic có độ rượu là 350
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Thể tích không khí (đktc) (chứa 20 % thể tích oxi) cần dùng để đốt cháy hoàn toàn 9,2 gam rượu etylic nguyên chất là
6,72 lít
67,2 lít
13,44 lít
1,344 lít
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số liên kết đơn trong một phân tử ancol etylic (CH3 – CH2 – OH)
4
6
8
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm của phản ứng: C2H4 + Br2 là:
C2H4Br2
C2H3Cl
C2H3Cl + HCl
C2H4Br
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tổng hệ số cân bằng của các chất trong phương trình là: C2H5OH + O2 → ……… + ………
5
4
8
9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thể tích H2 (đktc) thu được khi cho 11,5 gam rượu etylic tác dụng với natri dư là:
2,8 lít.
5,6 lít.
11,2 lít.
1,4 lít.
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