Question

Which activity would you do to prove that the temperature of a substance must reach

the combustion point of that substance in order to ignite it?​

Answer 1

Answer:

Some substances, like magnesium catches fire and burns with a dazzling white flame when heated in air. Similarly, when a piece of per is brought near a candle flame, it burns, producing heat and light. The charcoal and coal bums in air producing carbon dioxide, heat and light.

Air or oxygen which helps in burning is called supporter of combustion and the chemical reaction which takes place with the release of heat and light energy is called combustion.

A chemical process in which a substance reacts with oxygen to give off heat is called combustion.

(a) Charcoal burns in air to give carbon dioxide and heat.

C + O2 → CO2 + Heat

Explanation:

Hope this will help you...