Question

2.
A fuel starts burning only when it is heated to
its boiling point
its melting point
its ignition temperature
a temperature double of the room temperature​

Answer 1

Answer:

its ignition temperature is reached....

Answer 2

$\mathfrak{\large{\underline{\underline{Answer}}}}$

$\bold{Ignition Temperature}$

$\huge\sf{Explanation:}$

Ignition temperature is that minimum temprature in which a substance catches fire.

In case of fuels also the fuels is first heated up to their ignition temperature so ,it catches fire.

The ignition temperature of fuels is quiet low.