Chemical Changes and Reactions
Science Solutions from Chapter -1 - Chemical Changes and Reactions
This chapter discusses the conditions necessary for chemical changes and types of chemical changes. We will also learn in detail the classification of chemical reactions on the basis of energy changes.
Practice Other Topics from Chemical Changes and Reactions
This topic explains the difference between physical and chemical changes with their properties. Here, it describes the characteristics of physical and chemical changes. Examples of these changes are also illustrated to make it more clear.

This topic discusses the chemical reactions and its types. It describes the chemical reactions on the basis of the chemical changes taking place. Further, it briefs on the combustion, decomposition, displacement, and double displacement reactions.

This topic covers concepts such as Combustion, Exothermic Reaction, and Endothermic Reaction.

This topic sheds light on combustion and respiration. We will study the reactions based on these two processes and their properties. It also discusses the major difference between combustion and respiration.

This topic covers the concept of Carbon Cycle.
