
bài 19
Authored by Cô Thiết 23-24 9B
Science
9th Grade
Used 2+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các kim loại tác đụng được với dung dịch HCl là:
Fe, Cu, Mg
Zn, Fe, Cu
Zn, Fe, Al
Fe, Zn, Au
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kim loại Mg, Ca, Ba đều có hóa trị?
3
1
4
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các cặp chất nào sau đây, cặp chất nào xảy ra phản ứng?
Cu + ZnSO4
Ag + HCl
Ag + CuSO4
Zn + Pb(NO3)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các cặp chất sau: (a) Fe + HCl ; (b) Zn + CuSO4 ; (c) Ag + HCl ; (d) Cu + FeSO4 ; (e) Cu + AgNO3 ; (f) Pb + ZnSO4 . Những cặp chất xảy ra phản ứng là:
a, c, d
c, d, e, f
a, b, e
a, b, c, d, e, f
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Iron không tan trong dung dịch nào sau đây?
HCI
Cu(NO3)2
AgNO3
Mg(NO3)2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ở điều kiện thường, kim loại nào sau đây tác dụng mạnh với H2O?
Fe
Na
Cu
Mg
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai kim loại nào sau đây đều tác dụng với dung dịch H2SO4 loãng, giải phóng khí hidro?
Cu và Mg
Al và Fe
Cu và Ag
Hg và Zn.
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