Question

Q.1 Choose the correct alternative ofte
1)_____is used tomake the active
Substance co2i

a Na, Co₂ d) Nato c) Nad d) Nano​

Answer 1

Answer:

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Explanation:

Carbon Dioxide or CO2 is an essential and common environmentally-friendly fire extinguisher ingredient which separates oxygen from the fire causing minimal damage. These are powdered metals such as copper or sodium chloride – NaCl, and sand majorly found in Class D extinguishers.