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प्रश्न
What is the chemical equation. How is it represented?
उत्तर
“Chemical equation is a short form – representing the result of a chemical change.”
OR
“Is the representation of a chemical change.”
APPEARS IN
संबंधित प्रश्न
Balance the following equation:
\[\ce{CaO + HCl->CaCl2 + H2O}\]
Balance the following equation:
\[\ce{C + H2SO4->CO2 + H2O + SO2}\]
Balance the following equation:
\[\ce{ZnS + O2->ZnO + SO2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{PbO2 + 4HCl->PbCl2 + H2O + Cl2}\]
Balance the following important equation:
ZnS + O2 → ZnO + SO2
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Which of the following is true for an unbalanced 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?
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.
