During a fire accident, when you are not supported with any fire extinguisher, it is advisable to evacuate the building and close the doors and windows. Why do you think we should close the doors and windows? (Hint : Recall the conditions necessary for combustion)
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Solution
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For combustion/reaction necessary condition is full availabilty of oxygen. Therefore during fire accidents , it is advisable to evacuate the building and close the doors and windows to cut down supply of oxygen.
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