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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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संबंधित प्रश्न
Define chemical reaction.
Balance the following equation. Also name the products formed.
`H_2 + CI_2 → HCI`
Balance the following equation. Also name the products formed.
`Zn+ HCI → ZnCI _2 + H_2`
Balance the following equation. Also name the products formed.
`K_2 O + H_2 O → KOH`
Name the type of chemical reaction shown by the following equation:
Fe2O3 + 2Al → Al2O3 + 2Fe
Balance the following equation:
\[\ce{K + H2O->KOH + H2}\]
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.
\[\ce{4P + 4O2->2P2O5}\]
Balance the following important equation:
FeCl3 + NH4OH → NH4Cl + Fe(OH)3
Balance the following important equation:
ZnS + O2 → ZnO + SO2
Balance the following important equation:
Mg3N2 + H2O → Mg(OH)2 + NH3
Balance the following important equation:
S + HNO3 (conc.) → H2SO4 + H2O + NO2
Why is it important to balance a skeletal chemical equation?
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773 K to form ammonia gas.
- Potassium hydroxide solution is treated with acetic acid to form potassium acetate and water.
- Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated H2SO4.
- Ethene is burnt in the presence of oxygen to form carbon dioxide, water and release heat and light.
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Iron (III) oxide reacts with aluminum and gives molten iron and aluminum oxide.
- Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
- Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
- Ethanol is burnt in air to form carbon dioxide, water and releases heat.
Which among the following change is exothermic or endothermic in nature?
Dissolution of sodium hydroxide in water
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.
Write the balanced equation for the following chemical reaction.
\[\ce{Barium chloride + Aluminium sulphate -> Barium sulphate + Aluminium chloride}\]
