
Hóa 9 cuối kì II
Quiz
•
Science
•
2nd Grade
•
Practice Problem
•
Easy
Quỳnh Nguyễn
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidrocacbon A là chất có tác dụng kích thích trái cây mau chín. A là chất nào sau đây?
Etylen
Benzen
Metan
Axetylen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vật liệu nào sau đây được dùng để chế tạo ruột bút chì
Chì
Than chì
Than đá
Than vô định hình
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số ml rượu etylic có trong 250ml rượu 45 độ là
250ml
215ml
112.5ml
75ml
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những hidrocacbon nào sau đây trong phân tử chỉ có liên kết đơn
Etylen
Benzen
Metan
Axetilen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Những hidrocacbon thành phần chứa 75% C, hidrocacbon đó có công thức hóa học
C2H2
C2H4
C3H6
CH4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giấm ăn là dung dịch axit axetic có nồng độ
2-5%
10-20%
20-30%
100%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thể tích rượu etylic nguyên chất có trong 500ml rượu 20 độ là
100ml
150ml
200ml
250ml
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