Why carbon dioxide is used in fire extinguisher give reason?

Why is carbon dioxide used in fire extinguishers? We use carbon dioxide in fire extinguishers because it displaces or reduces the amount of oxygen in the atmosphere around the fire. … By removing the oxygen from the formula and smothering it with discharged CO₂ gas, the fire will be extinguished.

Why carbon dioxide is used in fire extinguisher?

Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.

Why CO2 is the best fire extinguisher class 8?

The carbon dioxide considered the best fire extinguisher to put off fires caused by burning of inflammable liquids such as petrol or oil because carbon dioxide stops the influence of oxygen because it decreases the oxygen present in that fire which leads to the fallout of fire.

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Why is carbon dioxide useful?

Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold. … Respiration, the process by which organisms liberate energy from food, emits carbon dioxide. When you exhale, it is carbon dioxide (amongst other gases) that you breathe out.

Why is carbon dioxide CO2 the best extinguisher for fires involving electrical equipment and inflammable materials like petrol *?

For fires involving electrical equipment and inflammable materials like petrol, carbon dioxide (CO2) is the best extinguisher. CO2, being heavier than oxygen, covers the fire like a blanket. Since the contact between the fuel and oxygen is cut off, the fire is controlled.

Why carbon dioxide is the best extinguisher for fires involving electrical equipment and inflammable materials like petrol?

Answer : Carbon dioxide does not support combustion and hence is considered as the best fire extinguisher for fires involving electrical equipment and inflammable materials like petrol.

On what type of fires is carbon dioxide preferred and why?

A carbon dioxide (CO2) fire extinguisher is typically used for Class B (flammable liquids and gases) and Class C (energized electrical) fires.

What are the five uses of carbon?

Some of the most important uses are:

  • It makes up for 18% of the human body. Sugar, glucose, proteins etc are all made of it. …
  • Carbon in its diamond form is used in jewellery. …
  • Amorphous carbon is used to make inks and paints. …
  • Graphite is used as the lead in your pencils. …
  • One of the most important uses is carbon dating.
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What is the difference between carbon and carbon dioxide?

Carbon (often abbreviated with the chemical symbol C) is the sixth most abundant element on Earth. … Carbon dioxide or CO2 is the chemical compound of two oxygen atoms and one carbon atom, at room temperature it is gaseous and is a vital gas for life in the atmosphere since it plays a major role in photosynthesis.

What can we do with carbon dioxide?

Using various catalysts, CO2 can be made into a variety of chemical intermediaries — materials that then serve as feedstocks in other industrial processes, like methanol, syngas, and formic acid. CO2 can also be transformed by catalysts into polymers, the precursors for plastics, adhesives, and pharmaceuticals.

Why carbon dioxide is the best fire extinguisher and not water?

Carbon dioxide works for two reasons. One, it is at a much cooler temperature, as being a gas, it forms a liquid at very low temperatures. Secondly, carbon dioxide will lower the amount of oxygen reaching the flames, and suffocate the fire. Using water can prove very dangerous when dealing with oil fires.

What type of fire would you use a carbon dioxide extinguisher?

CO2 extinguishers are mainly used for electrical fire risks and are usually the main fire extinguisher type provided in computer server rooms. They also put out Class B fires. CO2 extinguishers suffocate fires by displacing the oxygen the fire needs to burn. This type of extinguisher has a black label.

What type of fire is carbon dioxide used on?

Carbon Dioxide is suitable for us on both Electrical and Flammable Liquid (Class B) Fire types. Being a gas it is completely harmless to electrical equipment.

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