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प्रश्न
Write a balanced chemical equation of the following reaction and also classify them.
A piece of sodium metal is added to absolute ethanol to form sodium ethoxide and hydrogen gas.
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उत्तर
`2"Na"("s") + 2"C"_2"H"_5"OH"("l") -> 2"C"_2"H"_5"ONa"("l") + "H"_2("g")` : Displacement reaction
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संबंधित प्रश्न
Write a balanced chemical equation with state symbols for the following reaction.
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.
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`H_2 + CI_2 → HCI`
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
Write a balanced molecular equation for the following word equation:
\[\ce{Lead sulphate + ammonium hydroxide->Ammonium sulphate + lead hydroxide}\]
Balance the following equation:
\[\ce{Na2O + H2O->NaOH}\]
Balance the following equation:
\[\ce{Fe + H2O⇌Fe3O4 + H2}\]
Balance the following equation:
\[\ce{Fe2O3 + H2->Fe + H2O}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{ZnO + 3NaOH->Na2ZnO2 + H2O}\]\
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
It is necessary to balance a chemical equation in order to satisfy the law of:
Why is it important to balance a skeletal chemical equation?
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?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
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Decomposition of ferrous sulphate
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.
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Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
