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Q.

Is it true that a matchstick does not catch fire on its own because the surrounding temperature is less than the ignition temperature?


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a

True

b

False 

answer is A.

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Detailed Solution

For a matchstick to burn on its own the surrounding temperature must be more than the self-ignition temperature of the matchstick. Self-Ignition temperature is the one where the object gets started to burn continuously on its own. As the self-ignition temperature of match is much higher than the surrounding temperature, this is the reason why the matchstick won’t burn on its own when it is put in the surroundings. Thus, the given statement is true.
 
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