Question

What is the difference between combustion and flame?

Answer 1

• Flame means "The visible part of the fire."

• Combustion means "The act or process of burning."

So, I think, you meant the diff. between Combustion and Burning or Combustible and Flammable.

Answer 2

the substances which vapourise during burning, gives flames....in these generally no ash is left behind.these have small amount of energy

ex.flame of candle

whereas in combustion there is some ash is left behind.these have large amount of energy ex. as on burning wood we get ash always.