Question

A log cannot be burnt with the help of a matchstic...Give Reason!!​

Answer 1

Explanation:

A splinter of wood has a low ignition temperature so, a burning matchstick can produce sufficient heat to attain the ignition temperature of the splinter of wood hence, a matchstick can easily light a splinter of wood. ... So, a burning matchstick cannot light a log of wood directly.

Answer 2

Answer:

A matchstick does not catch fire and burn on its own at room temperature because the ignition temperature of matchstick is higher than the room temperature. ... If kerosene is heated little it will catch fire easily because kerosene oil has a comparatively low ignition temperature which is reached even on little heating.