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प्रश्न
What is a chemical equation? Explain with the help of an example.
उत्तर
The method of representing a chemical reaction with the help of symbols and formulae of the substances involved in it is known as chemical equation.
For example, zinc metal reacts with dilute sulphuric acid to form zinc sulphate and hydrogen gas.
This can be represented by chemical equation as follows:
Zn (s) + H2SO4 (aq) → ZnSO4 (aq) + H2 (g)
APPEARS IN
संबंधित प्रश्न
Translate the following statement into chemical equation and then balance it.
Hydrogen sulphide gas burns in the air to give water and sulphur dioxide.
What do you understand by exothermic reactions?
Write word equation for the following skeletal equation:
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
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.
Balance the following equation. Also name the product formed.
CO2 + C → CO
Balance the following equation:
NO2 +H2O → HNO2 + HNO3
What is the valency of :
carbon in CH4
An element X is trivalent. Write the balanced equation for the combustion of X in oxygen.
Give an example of a chemical equation in which two reactants form:
one product
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information provided by the above chemical equation.
