Hoá 12 - trắc nghiệm lý thuyết (trừ Crom)
Quiz
•
Chemistry
•
12th Grade
•
Medium
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Used 46+ times
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85 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây dẫn điện tốt nhất?
Al
Cu
Hg
Ag
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có độ cứng lớn nhất?
Au
Ag
Cr
Al
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại X được sử dụng trong nhiệt kế, áp kế và một số thiết bị khác. Ở nhiệt độ thường, X là chất lỏng. X là?
W
Cr
Pb
Hg
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, cấu hình electron của nguyên tử Mg (Z=12) là
1s2 2s2 2p6 3s2
1s2 2s2 2p8 3s2
1s2 2s2 2p6 3s1
1s2 2s2 2p8 3s1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cặp KL có nhiệt độ nóng chảy cao nhất và thấp nhất?
W, Hg
Au, W
Fe, Hg
Cu,Hg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al tan hết trong lượng dư dd nào sau đây sinh ra khí H2
Na2SO4
NaNO3
NaCl
NaOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho: HNO3, NaCl, Na2SO4, Ca(OH)2, KHSO4, Mg(NO3)2
dãy gồm các chất đều tác dụng được với Ba(HCO3)2 là
HNO3
NaCl
Na2SO4
HNO3
Ca(OH)2
KHSO4
Na2SO4
NaCl
Na2SO4
Ca(OH)2
HNO3
Ca(OH)2
KHSO4
Mg(NO3)2
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