Question
Neutralisation reaction is a chemical change. Justify this statement with the help of an example.
Answer
In neutralization reaction, acid reacts with a base to form salt and water i.e., new substances are formed. So, it is a chemical change. For example, hydrochloric acid and sodium hydroxide reacts to form sodium chloride (salt) and water.
NaOH + HCl → NaCl + H2O