AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(C) Bromine
Bromine is the only non-metal that exists as a liquid at room temperature. All other non-metals are either solids or gases.
The textbook (Section 3.1.2) explicitly states: "The non-metals are either solids or gases except bromine which is a liquid." Sulphur, iodine, and phosphorus are all solids at room temperature. This is a direct fact-based question — just recall the exception.