Trichloromethane is better known as:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. chloroform.
Trichloromethane is better known as chloroform. It is a chemical compound with the formula CHCl₃ and was historically used as an anesthetic and solvent. Chloroform is also employed in various industrial processes, although its use as an anesthetic has largely been replaced by safer alternatives. The other substances listed are butanes, LPG (liquefied petroleum gas), and laughing gas (nitrous oxide), which are different from trichloromethane.