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प्रश्न
What is a chemical equation?
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उत्तर
A chemical equation is a short hand representation of a chemical reaction with the help of chemical symbols and formulas.
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संबंधित प्रश्न
Correct and balance the following equations:
\[\ce{N + H -> NH3}\]
Balance the following equation:
\[\ce{H2O2 -> H2O + O2}\]
Balance the following equation:
\[\ce{Fe + O2 -> Fe2O3}\]
State one characteristic of the chemical reaction which takes place when dilute hydrochloric acid is added to sodium carbonate.
Balance the following chemical equation :
Na2CO3 + HCl → NaCI + H2O + CO2
Balance the following chemical equation :
H2 + O2 → H2O
Write your observation for the following chemical reaction and name the product formed :
When an aqueous solution of sodium chloride is mixed with an aqueous solution of silver nitrate.
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
2H2 + O2 → 2H2O
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
\[\ce{2H2O ->[electric][current] 2H2 + O2}\]
A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
