1.Fe + H2SO4 -->.....+..... 2.Zn + H2SO4 -->....+.... 3.Mg +.... -->MgSO4 +.... 4.Al2O3 +.... -->Al2(SO4)3 +.... 5.ZnO +.... --> Zn(NO3)2 +.... 6. ....+ H2SO4 --> BaSO4 +.... 7. Fe(OH)3 + HCl -->.... +.... 8. Al(OH)3 +.... --> Al(NO3)3 +.... 9.Ca(OH)2 +.... -->CaSO4 +.... 10.Cu(OH)2 +.... -->CuSO4 +..
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S + O2 ---to---> SO2
2SO2 + O2 ---to V2O5---> 2SO3
SO3 + H2O → H2SO4
Mg + H2SO4 → MgSO4 + H2
MgSO4 + 2NaOH → Mg(OH)2 + Na2SO4
Mg(OH) ---to---> MgO + H2O
1.
2Fe + 3Cl2 ---to---> 2FeCl3
3Ag2SO4 + 2FeCl3 → 6AgCl + Fe2(SO4)3
Fe2(SO4)3 + 6NaOH → 3Na2SO4 + 2Fe(OH)3
2Fe(OH)3 ---to---> Fe2O3 + 3H2O
2Al + Fe2O3 ---to---> Al2O3 + 2Fe
1) Mg + 2HCl → MgCl2 + H2
2) 2Al + 6HCl → 2AlCl3 + 3H2
3) 2Al + 3H2SO4 → Al2(SO4)3 + 3H2
4) 3Zn + 2H3PO4 → Zn3(PO4)2 + 3H2
5) 2Al + 2H3PO4 → 2AlPO4 + 3H2
6) Cu + 2AgNO3 → Cu(NO3)2 + 2Ag
7) Al + 3AgNO3 → Al(NO3)3 + 3Ag
8) Al + Fe(NO3)3 → Al(NO3)3 + Fe
9) Mg + ZnCl2 → MgCl2 + Zn
10) 3Zn + 2FeCl3 → 3ZnCl2 + 2Fe
1.Mg+2HCl→MgCl2+H2
2.2Al+6HCl→2AlCl3+3H2
3.2Al+3H2SO4→Al2(SO4)3+3H2
4.Zn+2H3PO4→Zn(PO4)2+3H2
5.2Al+2H3PO4→2AlPO4+3H2
6.Cu+2AgNO3→Cu(NO3)2+2Ag
7.Al+3AgNO3→Al(NO3)3+3Ag
8.Al+Fe(NO3)3→Al(NO3)3+Ag
9.Mg+ZnCl2→MgCl2+Zn
10.3Zn+2FeCl3→3ZnCl2+2Fe
BaO+H2O--->Ba(OH)2
SO2+Ba(OH)2--->BaSO3+H2O
H2SO4+BaCl2--->BaSO4+2HCl
Al2O3+6HCl--->2AlCl3+3H2O
Fe+2HCl--->FeCl2+H2
6NaOH+Al2(SO4)3--->2Al(OH)3+3Na2SO4
BaO+CO2--->BaCO3
Fe(OH)3+3HCl--->FeCl3+3H2O
Mg(OH)2--->MgO+H2O
Fe3O4+8HCl--->FeCl2+2FeCl3+4H2O
2Al(OH)3+3H2SO4--->Al2(SO4)3+6H2O
2Al(OH)3--->Al2O3+3H2O
2NaOH+CO2--->Na2CO3+H2O
Na2CO3+2HCl--->2NaCl+CO2+H2O
Na2SO4+BaCl2--->BaSO4+2NaCl
CaCO3--->CaO+CO2
2NaOH+2Al+2H2O--->2NaAlO2+3H2
NaCl+AgNO3--->AgCl+NaNO3
2NaOH+Al2O3--->2NaAlO2+H2O
Fe+2AgNO3--->Fe(NO3)2+2Ag
(NH4)2SO4+2NaOH--->Na2SO4+2NH3+2H2O
Al(OH)3+NaOH--->NaAlO2+2H2O
2NaOH+Zn(OH)2--->Na2ZnO2+2H2O
Na2SO3+2HCl--->2NaCl+SO2+H2O
cac bạn ơi dấu bằng ong rồi cách ra làm cái khác nhé ình viết sai
chỉ có phần chất tham gia phản ứng thôi
\(4Al+3O_2\underrightarrow{t^o}2Al_2O_3\)
\(4K+O_2\rightarrow2K_2O\)
\(2Al\left(OH\right)_3\underrightarrow{t^o}Al_2O_3+3H_2O\)
\(Al_2O_3+6HCl\rightarrow2AlCl_3+3H_2O\)
\(CaCl_2+Fe\left(OH\right)_3\rightarrow\) Không phản ứng
\(BaCl_2+H_2SO_4\rightarrow2HCl+BaSO_4\downarrow\)
Chọn đáp án B
Al, Al2O3, ZnO , Sn(OH)2, Zn(OH)2, NaHS, KHSO3,
Fe(NO3)2, (NH4)2CO3.
1. \(Fe+H_2SO_4\rightarrow FeSO_4+H_2\)
2. \(Zn+H_2SO_4\rightarrow ZnSO_4+H_2\)
3. \(Mg+H_2SO_4\rightarrow MgSO_4+H_2\)
4. \(Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
5. \(ZnO+2HNO_3\rightarrow Zn\left(NO_3\right)_2+H_2O\)
6. \(BaO+H_2SO_4\rightarrow BaSO_4+H_2O\)
7. \(Fe\left(OH\right)_3+3HCl\rightarrow FeCl_3+3H_2O\)
8. \(Al\left(OH\right)_3+3HNO_3\rightarrow Al\left(NO_3\right)_3+3H_2O\)
9. \(Ca\left(OH\right)_2+H_2SO_4\rightarrow CaSO_4+2H_2O\)
10. \(Cu\left(OH\right)_2+H_2SO_4\rightarrow CuSO_4+2H_2O\)