CHEMICAL REACTIONS - CHEMICAL EQUATIONS
INTRODUCTION:
In our daily life we all know about physical changes and chemical changes, all these changes are observed in our day today life. We observe ice converts into water vapor and vice versa. In this example, the changes in the states of matter are observed and heat may be gained or released. Similarly, burning of wood also example.
CHEMICAL REACTION:
Chemical reactions represent the processes in which a single substance or substances undergo change to produce new substance...
