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प्रश्न
Why do we need to balance chemical equations?
Why do we balance a chemical equation?
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उत्तर
A chemical equation needs to be balanced so as to make the number of atoms of the reactants equal to the number of atoms of the products.
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संबंधित प्रश्न
Balance the following equation:
\[\ce{NH3 + CuO -> Cu + N2 + H2O}\]
Write any two observations in an activity which may suggest that a chemical reaction has taken place. Give an example in support of your answer.
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
Which of the following does not involve a chemical reaction?
Balance the following chemical equation:
\[\ce{FeSO4 ->[Heat] Fe2O3 + SO2 + SO3}\]
Balance the following equation. Also name the product formed.
CO2 + C → CO
Balance the following equation:
\[\ce{S + HNO3 -> H2SO4 + NO2 + H2O}\]
Name the fundamental law that is involved in every equation.
Write word equation for the following molecular equation:
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]
Word equation:
State which characteristic does [g] in the above reaction indicate. The word equation of:
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Iron [III] chloride to ammonium hydroxide.
