1.

CO_(2) and N_(2) are non-supporters of combustion. However for putting our fires CO_(2) is preferred over N_(2) because CO_(2)

Answer»

does not durn
forms non-combustible PRODUCTS with burning substance
is denser than nitrogen
is a more REACTIVE gas

Solution :`CO_(2)` being more dense covers the igniting material more effectively than ` N_(2)`


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