AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
The process is called the chlor-alkali process. Electrolysis of brine (aqueous NaCl solution) produces sodium hydroxide, chlorine gas, and hydrogen gas.
Source: Chapter 2, Section 2.4.3
The examiner expects the specific name "chlor-alkali process" for 1 mark. The name comes from the products: chlor for chlorine and alkali for sodium hydroxide. Simply writing "electrolysis" alone is insufficient — the named process is what the question asks for.