Kiếm tiền (11)
Quiz
•
Chemistry
•
12th Grade
•
Easy
Thành Đạt Nguyễn
Used 4+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
nhiệt độ thường, kim loại Al tan hoàn toàn trong lượng dư dung dịch nào sau đây?
NaCl.
Na2SO4.
NaNO3.
H2SO4.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là tripeptit?
Ala-Gly.
Gly-Ala.
Gly-Gly.
Ala-Ala-Gly.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polime nào sau đây thuộc loại polime thiên nhiên?
Polietilen.
Tơ visco.
Xenlulozơ.
Poli (vinyl clorua).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không tác dụng với Na?
Glixerol.
Axit axetic.
Metyl axetat.
Ancol etylic.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với dung dịch NaOH, tạo ra kết tủa?
MgCl2.
CO2.
HNO3.
KNO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được dùng để làm mềm nước cứng toàn phần?
K2SO4.
HCl.
NaCl.
Na2CO3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây có môi trường bazơ?
KOH.
HCl.
NaCl.
NH4Cl.
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