Which gas is commonly used in fire extinguishers?

📌 Explanation: CO₂ displaces oxygen and extinguishes fire without damaging equipment.
📌 व्याख्या: CO₂ आग में मौजूद ऑक्सीजन को कम कर देती है और उपकरणों को नुकसान नहीं पहुंचाती।

📚 Extra Facts:

Foam extinguishers are used for petrol and chemical fires.