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प्रश्न
What are the limitations of a chemical equation ?
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उत्तर
- It does not inform about the physical states of the reactants and the product i.e. whether they are solids, liquids and gases.
- It does not inform about the concentration of reactants and products.
- It does not inform about the time taken for the completion of the reaction.
- It does not inform about the rate at which a reaction proceeds.
- It does not inform about the heat changes during the reaction i. e. whether the heat is given out or absorbed.
- It does not inform about the conditions such as temperature, pressure, catalyst etc. which affect the reaction.
- It does not inform about the nature of the reaction i.e. whether it is reversible or irreversible.
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संबंधित प्रश्न
Name the type of chemical reaction shown by the following equation:
Fe2O3 + 2Al → Al2O3 + 2Fe
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
Balance the following equation:
\[\ce{Fe + Cl2->FeCl3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Na + 3H2O->2NaOH + H2}\]
Balance the following important equation:
NaOH + H2SO4 → Na2SO4 + H2O
Balance the following important equation:
FeSO4 + NaOH → Na2SO4 + Fe(OH)2
Why is it important to balance a skeletal chemical equation?
In the double displacement reaction between aqueous potassium iodide .and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?
Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.
Write the balanced equation for the following chemical reaction.
\[\ce{Sodium + Water -> Sodium hydroxide + Hydrogen}\]
