Part 3: Important Questions, Answers and Revision Notes VERY SHORT ANSWER QUESTIONS Q1. What is a chemical reaction?A chemical reaction is a process in which one or more substances react to form new substances with different properties. Q2. Name the substances which take part in a chemical reaction.The substances which take part in a chemical […]

Types of Chemical reactions In this part, we will study the different types of chemical reactions.These reactions help us to understand how substances change during a chemical reaction.All explanations are given in very simple language for easy understanding. 1.Combination Reaction A chemical reaction in which two or more substances combine to form a single product

Part 1: Introduction, Chemical Reaction and Chemical Equations Introduction In our daily life, many changes take place around us. Some changes are physical and some are chemical.When a chemical change occurs and new substances are formed, it is called a chemical reaction. Examples of chemical reactions in daily life : WHAT IS A CHEMICAL REACTION?A