
quiz bh 10
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
Nguyễn Thanh Mai
Used 1+ times
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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của este CH3COOC2H3 là
Etyl fomat.
Etyl axetat.
Vinyl axetat.
Metyl acrylat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại cacbohiđrat?
Xenlulozơ.
Glixerol.
Anilin.
Metyl fomat.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất điện li mạnh?
C6H12O6.
NH3.
CH3COOH.
NaOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhúng giấy quỳ tím vào dung dịch metylamin, màu quỳ tím chuyển thành
xanh.
nâu đỏ.
vàng.
đỏ.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polipropilen được trùng hợp từ chất nào sau đây?
CH2=CH2.
CH=_CH.
CH3-CH3.
CH2=CH-CH3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có nhiệt độ nóng chảy cao nhất?
Na.
Al.
Fe.
W.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất X có công thức Fe(OH)2. Tên gọi của X là
sắt(III) hidroxit.
sắt(II) hidroxit.
sắt(III) oxit.
sắt(II) oxit.
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