Chemical Reactions and Equations Class 10th Science Notes

Characteristics of chemical reactions

In chemical reactions, the reactants combine to form the products. The conversion of reactants into products in a chemical reaction is often accompanied by some features which can be observed easily. The important characteristics of chemical reactions are:-

Evolution of a gas
Formation of a precipitate
Change in color
Change in temperature
Change in the state.

Chemical reactions are the process in which new substances with new properties are formed. This process involves chemical changes. Rearrangement of atoms which takes place between the reacting substances to form new substances which have entirely different properties. In chemical reactions, the old chemical bonds break which exists between the atoms of reacting substances, and then making of new chemical bonds between the rearranged atoms of new substances.

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