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Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Đặng Thảo
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40 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố hóa học luôn có trong hợp chất hữu cơ
Oxy (O)
Hyđrô (H)
Cacbon (C)
Nitơ (N)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Toàn hợp chất hữu cơ
HCl, H2SO4, NH3
H2O, CO2, NaCl
Fe, Cu, Ag
CH4, C2H5OH, C6H12O6
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hidrocacbon
C2H6
NaCl
CO2
H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chuyển hóa của cacbon, oxi, hidro trong các hợp chất hữu cơ lần lượt là
4, 2, 1
4, 3, 2
3, 2, 1
2, 1, 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào kích thích quả mau chín
hơi nước
khí cacbon
metan
etilen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C2H2 và C2H6
C2H2 và C3H8
C2H6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dùng hóa chất nào sau đây có thể phân biệt giữa metan và etilen
Oxi
Dung dịch brom
nước vôi trong
nước
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