PROBLEM 2Q
What is a chemical reaction? List some examples.
Solution 2Q
Here, we are going to discuss about chemical reactions and also list some examples.
Step 1:
Let us consider some situations of daily life and think what happens when-
Milk is left at room temperatureFood gets digested in our bodyWe respireGrapes get fermentedIn all the above situations, the nature and identity of the initial substance have somewhat changed. This refers to a chemical change and whenever a chemical change occurs, we can say that a chemical reaction has taken place.