Question

why is it that paper or wood which are exposed to air do not catch fire​

Answer 1

Answer:

When temperature increases, cellulose starts to pyrolyse. The decomposition products either remain inside the material or are released as gases. Gaseous substances react with each other and oxygen, releasing a large amount of heat that further induces pyrolysis and

Explanation:

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

Answer 2

Answer:

Because Wood and paper are non - metal.

Explanation:

Non - metals do not react with air.