Question

define chemical reaction and its characteristics with example
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Answer 1

Answer

A chemical reaction is the process of breaking down the chemical bonds of the reacting substances (reactants) and making new bonds to form new substances (products). ... (C) Formation of Precipitates : Certain chemical reactions are characterised by the formation of insoluble solid substances called precipitates.

Answer 2

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Characteristics of Chemical reactions

• The conversion of reactants into products in a chemical reaction is often accompanied by some features which can be easily observed easily.