Q.

Is it true that carbon dioxide and nitrogen do not support burning?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Nitrogen and carbon dioxide are not required in combustion and do not aid in the burning process. Nitrogen does not support combustion and prevents the excess reactivity of oxygen. Both oxygen and nitrogen are required to ensure that fuel energy is used in a controlled manner. Carbon dioxide is not combustible and does not promote combustion. The gas that supports burning or combustion is oxygen. Carbon dioxide is used in fire extinguishers.
 
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