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Fire can be controlled by removing one or more of these requirements. Can you list these requirements? 
  • a)
    carbon dioxide
  • b)
    nitrogen
  • c)
    oxygen
  • d)
    hydrogen
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Fire can be controlled by removing one or more of these requirements. ...
Air is needed for fire to burn. By cutting off the supply of air, you can control or put out a fire. This stops the fire from getting the oxygen it needs to keep burning.
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Community Answer
Fire can be controlled by removing one or more of these requirements. ...
Oxygen is a supporter of combustion . We can check it by taking a burning candle and then keeping a glass avobe it inverted.
After a while,we will notice the candle flame goes down. This is because of the oxygen inside it is burnt.

nitrogen, carbon dioxide, hydrogen don't support combustion but instead, are used in fire extinguisher to extingush fire.
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Fire can be controlled by removing one or more of these requirements. Can you list these requirements?a)carbon dioxideb)nitrogenc)oxygend)hydrogenCorrect answer is option 'C'. Can you explain this answer?
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