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Write a balanced chemical equation of the following reaction and also classify them. Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas. - Science

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प्रश्न

Write a balanced chemical equation of the following reaction and also classify them.

 Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.

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उत्तर

`"Fe"_2"O"_3("s") + 3"CO"("g") -> 2"Fe"("s") + 3"CO"_2("g")` : Redox reaction

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अध्याय 1: Chemical Reactions and Equations - Exemplar [पृष्ठ ७]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exemplar | Q 33. (c) | पृष्ठ ७

संबंधित प्रश्न

Write balanced chemical equations for the following word equation:

Calcium oxide + water → Calcium hydroxide


Balance the following equation. Also name the products formed.

`NaNO_3→ NaNO_2  +  O_2 `       Name of product (s)


Balance the following equation. Also name the products formed.

`K_2 O +  H_2 O  →  KOH`


Balance the following equation:

\[\ce{Fe + Cl2->FeCl3}\]


Balance the following equation:

\[\ce{Pb3O4 + HCl->PbCl2 + H2O + Cl2}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{2Na + 3H2O->2NaOH + H2}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{FeCl3 + 3NH4OH->2NH4Cl + Fe(OH)3}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{PbO2 + 4HCl->PbCl2 + H2O + Cl2}\]


Balance the following important equation:

\[\ce{Al(OH)3 -> Al2O3 + H2O}\]


Balance the following important equation:

ZnS  + O2  → ZnO + SO2 


Balance the following important equation:

K2Cr2O7 + HCl → KCl + CrCl3 + H2O + Cl2 


Balance the following important equation:

\[\ce{NH4Cl + Ca(OH)2 → CaCl2 + H2O + NH3}\]


Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?

  1.  It is an endothermic reaction
  2.  It is an exothermic reaction
  3. The pH of the resulting solution will be more than seven
  4. The pH of the resulting solution will be less than seven

A solution of potassium chloride when mixed with silver nitrate solution, an insoluble substance is formed. Write the chemical reaction involved and mention the type of the chemical reaction.


Write the balanced chemical equation for the following reaction

Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.


Write the balanced chemical equation for the following reaction

Copper sulphate on treatment with potassium iodide precipitates cuprous iodide (Cu2I2), liberates iodine gas and also forms potassium sulphate.


Complete the co-relation:

CuI2 : Brown : : AgCl : ______


Write the balanced equation for the following chemical reaction.

\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]


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