Ôn tập THPT 2
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
Thành Đạt Nguyễn
Used 3+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion kim loại nào sau đây có tính oxi hóa yếu nhất?
Ag+.
Fe2+
Fe3+.
Cu2+.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với dung dịch H2SO4 loãng dư, tạo ra khí H2?
Mg.
Mg(OH)2.
CaCO3.
CaO.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Polime nào sau đây dùng để sản xuất cao su?
Polistiren.
Poliacrilonitrin.
Poli(vinyl clorua).
Poliisopren.
Polibutađien
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây trong phân tử có ba liên kết pi?
Ancol etylic.
Vinyl axetilen.
Anđehit axetic.
Metyl acrylat.
Answer explanation
Vinyl axetilen: CH2=CH-CΞCH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây kết tủa màu trắng xanh, dễ hóa nâu trong không khí?
FeS2.
Fe(OH)3.
Fe2(SO4)3.
Fe(OH)2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có khối lượng riêng lớn nhất?
Os.
Ag.
Fe.
Li.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở nhiệt độ cao, nhôm khử được oxit kim loại nào sau đây?
Na2O.
BaO.
MgO.
Fe2O3.
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