Question

on burning a heap of garbage in school ram noticed that same object in the heap catch fire at lower temperature and other high temperature.He wants to know the lowest temperature at which an object catch fire is called..
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Answer 1

Answer:

option b ignition temperature

Answer 2

on burning a heap of garbage in school ram noticed that same object in the heap catch fire at lower temperature and other high temperature.He wants to know the lowest temperature at which an object catch fire is called..

the lowest temperature at which an object catch fire is called Ignition temperature.

Ignition temperature is the lowest temperature at which a combustible substance when heated (as in a bath of molten metal) takes fire in air and continues to burn. It is also called also autogenous ignition temperature.

The ignition temperature of a substance is the least temperature at which the substance starts combustion.

Substances which spontaneously ignite in a normal atmosphere at naturally ambient temperatures are termed pyrophoric.