Question

A) a process in which a substance reacts with to give of heat is called combustion . b) the temperature at which a substance catches fire is called its temperature .

Answer 1

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Answer 2

A) a process in which a substance reacts with to give of heat is called combustion .

corrected ans:-

a process in which a substance reacts with _oxygen_ to give of heat is called combustion .

b) the temperature at which a substance catches fire is called its temperature .

corrected ans:-

the _lowest _ temperature at which a substance catches fire is called its _ignition_temperature .

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