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प्रश्न
What is a chemical equation ?
उत्तर
Chemical Equation— A chemical equation is the symbolic representation of a chemical reaction using the symbols and the formulae of the substances involved in the reaction.
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संबंधित प्रश्न
Write a balanced chemical equation for the following word equation:
Iron + Chlorine → Iron (III) chloride
Write your observations and name the product when
Zinc reacts with dilute hydrochloric acid.
Balance the following equation:
\[\ce{Fe + Cl2->FeCl3}\]
Balance the following equation:
\[\ce{Al + O2->Al2O3}\]
Balance the following important equation:
Pb(OH)2 + NaOH → Na2PbO2 + H2O
Balance the following important equation:
NH4OH + H2SO4 → (NH4)2SO4 + H2O
Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
- Displacement reaction
- Precipitation reaction
- Combination reaction
- Double displacement reaction
A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.
Balance the following equation.
\[\ce{Calcium chloride + Sulphuric acid -> Calcium sulphate + Hydrogen chloride}\]
Complete and balance the following equation:
\[\ce{CuSO4 + NH3OH ->}\]
