That could be a number of things including cheese, but I think you are looking for Sulphur.
A substance which has ability to burn is called combustible.
a candle takes longer to burn but it smells nicer, especially if it is a scented candle
Anything that can burn is a combustible substance.
Flammability
Burning in common language is the oxidation of a substance. Many materials may burn - carbon, sulphur, phosphorous, silicon, iron, and so on.
its odor is how it smells
Sulfur is a yellow element that smells of rotten eggs.
vanilla
rayon is a synthetic fibre but smells like burning paper
It smells nice.
A banana?
It's sulfur. It is yellow in color.
"to make angry" and "a substance to burn" is incense.
Sulfur is a mineral that smells like matches, and is actually used to make matches. It is yellow and has a mistakable odor.
because it is a yellow(ish) substance.
I do - smells lovely!
accumalation of a yellow watery substance in the scrotum