CBSE Notes Class 10 Science Chapter 1 - Chemical Reactions and Equation Chemical reactions are a fundamental concept in chemistry that describes the transformation of substances in CBSE Class 10 . The substances that undergo change are called reactants , and the new substances formed are known as products . This transformation can be expressed using chemical equations , where the symbols and formulas of the substances involved are written to represent a chemical change. 1.0 Download CBSE Notes Class 10 Science Chapter 1: Chemical Reactions and Equation - Free PDF!! Hey there! Looking to ace your Class 10 Science ? These free PDF notes for Chapter 1, "Chemical Reactions and Equations," will give you a solid foundation for understanding the basics. Let's get started on mastering those chemical equations! Class 10 Science Chapter 1 Revision Notes: Download PDF 2.0 What is a Chemical Reaction? A chemical reaction is a process in which one or more substances (reactants) are...