Can you give me 10 examples of combination reactions,double displacement,displacement and decomposotion.

combination reaction:
1) 2Mg + O2 2MgO
2) 2H2 + O2 → 2H2O
3) C +O2 CO2
4) H2 + Cl2 → 2HCl
5) 2Na + Cl2 NaCl
6)Fe + S FeS
7) CaO + H2O Ca(OH)2
8) NH3 + HCl NH4Cl
9) 2CO + O2 → 2CO2
10) 2SO2 + O2 →2 SO3

Double displacement:
1) AgNO3 + NaCl AgCl + NaNO3
2) BaCl2 + Na2SO4 BaSO4 + 2NaCl
3) CuSO4 + H2S CuS + H2SO4
4) AlCl3 + 3NH4OH Al(OH)3 + 3NH4Cl
5) BaCl2 + CuSO4 BaSO4 + CuCl2
6) NaOH + HCl →  NaCl + H2O
7) Pb(NO3)2 + KI PbI2 + 2KNO3
8) CuSO4 + 2NaOH Cu(OH)2 + Na2SO4
9) CoCl2 + Na2CO3 CoCO3  + 2NaCl
10) Pb(CH3COO)2 + 2HCl PbCl2 + 2CH3COOH

Displacement reaction
1) CuSO4 + Zn ZnSO4 + Cu
2) CuSO4 + Fe FeSO4 + Cu
3) CuSO4 + Mg MgSO4 +Cu
4) 2Na + 2H2O 2NaOH+ H2
5) CuO + Mg MgO + Cu
6) CuCl2 + Pb PbCl2 + Cu
7) Fe2O3 + 2Al2Fe + Al2O3
8) Fe + 2HCl FeCl2 + H2
9) Cl2 + 2KI 2KCl + I2
10) Mg +2HCl MgCl2 + H2

Decomposition reaction
1) CaCO3 CaO + CO2
2) 2Pb(NO3)2 2PbO + 4NO2 + O2
3) 2FeSO4 Fe2O3 + SO2 + SO3
4) 2KClO3 2KCl +3O2
5) H2C2O4.H2O H2C2O4 + H2O
6) 2AgCl 2Ag + Cl2 (Photodecomposition reaction)
7) 2AgBr
2Ag + Br2 (photodecomposition reaction)
8) 2H2O2 →2H2O + O2( in presence of light)

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Combination:

2H2 + O2 -> 2H2O

C + O2 -> CO2.

2K + Br2 -> 2KBr

4Fe + 3O2 -> 2Fe2O3

Magnesium + Nitrogen -> Magnesium nitrite.

Dinitrogen Pentoxide  + Water -> Hydrogen Nitrate

Lithium Oxide + Water -> Lithium hydroxide.

Tetraphosphorous decoxide + Water -> Hydrogen phosphate

Aluminium + Oxygen -> Aluminium Oxide.

CaO + CO2 -> CaCO3

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Examples for Combination Reaction : 
  • 2H2 + O2 -> 2H2O
  • C + O2 -> CO2.
  • 2K + Br2 -> 2KBr
  • 4Fe + 3O2 -> 2Fe2O3
  • Magnesium + Nitrogen -> Magnesium nitrite.
  • Dinitrogen Pentoxide + Water -> Hydrogen Nitrate
  • Lithium Oxide + Water -> Lithium hydroxide.
  • Tetraphosphorous decoxide + Water -> Hydrogen phosphate
  • Aluminium + Oxygen -> Aluminium Oxide.
  • CaO + CO2 -> CaCO3
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Eg. of Decomposition reaction.

  • CaCO3 => CaO + CO2
  • (NH4)2Cr2O7 => N2 + 4H2O + Cr2O3
  • 2H2O => 2H2 + O2
  •  
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  • CO2 => C+O2
  • 2FeSO4 => Fe2O3 + SO2 + SO3
  • 2PbNO3 => 2PbO + 4NO2 + O2
  • 2AgCl => 2Ag + Cl2
  • 2AgBr => 2Ag + Br2
  • Carbonic acid => water + carbondioxide.
  • Calcium Chlorate => Calcium chloride + Oxygen
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Displacement:

Fe + CuSO4 ---> FeSO4 + Cu

Zn + CuSO4 ---> ZnSO4 + Cu

Pb + CuCl2 ---> PbCl2 + Cu

CuO + H2 ---> Cu + H2O

ZnO + C ---> Zn + CO

Fe2O3 + 3H2 ---> 2Fe + 3H2O

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 2Fe + 6HCl ===> 2FECl3 + 3H2

Cl2 + 2KI ===> I2 + 2KCl

Cu + 2AgNO3 ===> Cu(NO3)2 + 2Ag

Zn + CuCl2 ===> ZnCl2 + Cu

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 dbl displacement

  1. BaCl2 + MgSO4 -----> BaSO4 + MgCl2
  2. NaOh + Hcl -----> Na Cl + H2O
  3. naOH + CH3CooH -----> NaC2H3O2 + HOH
  4. NaCl + AgF -----> NaF + AgCl
  5. BaCl2 + Na2SO4 -----> BaSO4 + 2NaCl
  6. HNO3 + Ca(OH)2 -----> Ca(NO3)2 + H2O
  7. NaOh + H2SO4 -----> Na2SO4 + H2O
  8. NaCl + AgNO3 -----> AgCl + NaNO3
  9. BaCl2 + H2SO4 -----> BaSo4 +2HCl
  10. Potassium Bromide + Barium iodide -----> Potassium iodide + barium bromide
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 HOPE THIS IS ENOUGH FOR YOU !!! PLS!!!

:) !! cheers !! :)

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  • 1. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction In this simple combination reaction, magnesium combines with oxygen to form magnesium oxide. 2Mg + O2  2MgO Magnesium ribbon Magnesium oxide powderSubtopic ID: 01.03.01
  • 2. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Sodium and chlorine combine on heating to form sodium Heat chloride. 2 Na + Cl2 2 NaCl Sodium metal Chlorine gas Sodium chlorideSubtopic ID: 01.03.01
  • 3. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Sulphur combines with iron on heating to give iron sulphide. Fe + S FeS Iron Iron powder Sulphur powder Mixing iron Iron sulphide powder and sulphurSubtopic ID: 01.03.01
  • 4. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Let us see some more examples of combination reaction. Nitrogen combines with hydrogen and gives ammonia on heating. Similarly sulphur combines with oxygen Heat to form sulphur dioxide. N2 + 3H2 2NH3 S + O2 SO2Subtopic ID: 01.03.01
  • 5. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Hydrogen and chlorine combine to form hydrogen chloride. Though this reaction appears to be a simple combination reaction it actually requires an electric spark to trigger the reaction. H2 + Cl2 2HClSubtopic ID: 01.03.01
  • 6. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Calcium oxide combines with water and gives calcium hydroxide. Look at the solution bubbling like boiling water. This is due to release of heat. Hence it is called exothermic reaction. CaO(s) + H2O(l) Ca(OH)2(aq) + Heat Quick lime Slaked lime ExothermicSubtopic ID: 01.03.01
  • 7. CBSE - 10 Chemical Reactions and EquationsChemistry Types of Chemical Reactions Combination Reaction Other examples of exothermic reactions are respiration, burning of natural gas and decomposition of vegetable matter. Burning of Natural Gas Respiration Exothermic Reactions - Other Examples Decomposition of VegetablesSubtopic ID: 01.03.01
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