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The pie chart below represents the percentage of composition of air. Which sector labelled A, B, C, D represents a gas used in making fire extinguishers?
Chemistry
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12. The pie chart below represents the percentage of composition of air. Which sector labelled A, B, C, D represents a gas used in making fire extinguishers?
Identify the components of air represented by the sectors.
- Sector A is the largest, representing Nitrogen (approximately 78%).
- Sector B is the second largest, representing Oxygen (approximately 21%).
- Sector C is a small sector, representing Argon and other inert gases.
- Sector D is the smallest sector, representing Carbon Dioxide and other trace gases.
Recall which gas is used in fire extinguishers.
Carbon dioxide is commonly used to extinguish fires.
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