
HOÁ 9-1
Authored by Bac Tran Thi Le
Physics
9th Grade
Used 31+ times

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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất đều là muối
A. HCl, H3PO4, H2SO4
CuSO4, Na2CO3, NaCl
CuO, SO2, P2O5
NaOH, Ca(OH)2, Cu(OH)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất đều là axit
HCl, H3PO4, H2SO4
CuO, SO2
CuSO4, Na2CO3, NaCl
NaOH, Ca(OH)2, Cu(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây đều là phân bón hóa học:
K2SO4, NH4NO3, KOH
KNO3, NH4Cl, Ca3(PO4)2
HNO3, KCl, NH4NO3
Na2SO4, NH4Cl, Ca(H2PO4)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây đều là phân bón chỉ chứa đạm
NH4NO3, (NH4)2SO4, CO(NH2)2
KCl, K2SO4, K2CO3
Ca(H2PO4)2, Ca3(PO4)2, CaHPO4
K3PO4, KNO3, NH4H2PO4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây đều là phân bón chỉ chứa lân
NH4NO3, (NH4)2SO4, CO(NH2)2
KCl, K2SO4, K2CO3
Ca(H2PO4)2, Ca3(PO4)2, CaHPO4
K3PO4, KNO3, NH4H2PO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trộn hai phân bón sau đây với nhau ta được phân bón kép NPK:
KCl, NH4NO3
Ca(H2PO4)2, KNO3
(NH4)2SO4, K2SO4
NH4Cl, KNO3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO dùng làm chất khử chua đất trồng là ứng dụng tính chất hóa học gì của CaO ?
Tác dụng với axit
Tác dụng với oxit axit
Tác dụng với bazơ
Tác dụng với muối
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