Class 10 Chemistry Chemical Reactions and Equations Balanced chemical equation

Balanced chemical equation

It is always necessary to balance a chemical equation. In an unbalanced equation the mass is not the same on both sides of the equation which leads to violation of law of conservation of mass which states that mass can neither be created nor destroyed. So balancing a chemical equation balances the amount of reactant and product on both side of arrow. An unbalanced chemical equation is called a skeletal chemical equation.

For instance, Chemical equation for rusting of iron is given by

According to this equation amount of reactants and products on both sides is as follows:

Ferrous – 4

Oxygen- 8

Hydrogen-4

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