CHEMICAL REACTIONS AND EQUATIONS CLASS 10
A chemical reaction may be defined as the process of reacting one or more substances to give a new substance. The reacting substances are called Reactants and the new substance formed is called the Product.
Representation of chemical reaction using symbols and formulae of the substances is called Chemical Equation.
Chemical reactions are the processes in which new substances with new properties are formed.
During respiration, Energy is released. Hence it is a chemical reaction.
Zinc metal reacts with dilute sulphuric acid to form zinc sulphate solution and hydrogen gas.