THPT - 12
Quiz
•
Chemistry
•
KG
•
Practice Problem
•
Medium
Hạnh Nguyễn
Used 13+ times
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chất nào sau đây là chất điện li yếu?
NaCl.
HCl.
HNO3.
CH3COOH.
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Tổng số nguyên tử các nguyên tố của phân tử Alanin là bao nhiêu?
13
11
15
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Kim loại nào sau đây thuộc nhóm IA?
Mg
Fe
Cu
K
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Trong phòng thí nghiệm, khi cho natri sunfit tác dụng với dung dịch H2SO4 loãng có giải phóng khí có mùi hắc, độc và gây ô nhiễm môi trường. Khí này có tên là gì?
lưu huỳnh trioxit.
lưu huỳnh đioxit.
đinitơ oxit.
hiđro sunfua.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Cấu tạo poli (metyl metacrylat) (thuỷ tinh hữu cơ)
(-CH2-CH(CN)-)n.
(-CH2-CHCl-)n.
(-CH2-CH(OOCCH3)-)n.
(-CH2-C(CH3)COOCH3-)n.
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Cho Mg tác dụng với dung dich HNO3, không sinh khí thì sản phẩm khử của N+5 là?
NH3.
NH4NO3.
N2O5.
NO2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Axit stearic có đặc điểm?
Axit no, đơn chức, hở.
Axit không no, đơn, hở.
Axit no, nhị chức, hở.
Axit không no, nhị chức, hở.
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