Because you always have it in a container, you can't just leave a pile of sugar in your kitchen drawer expecting nothing to happen to it.
True, but here's more.
Sugar has a moisture content of about 2/100ths of a percent, way too low for bacteria to survive. As long as it is kept dry it will remain unspoiled.
Sugar cane does spoil.
so it doesnt spoil.
keep it in the frig. when it gets hard, it will soften in the microwave.
Sugar and Salt
Sugar.
it doesnt
Honey doesn't spoil. (Although it does get grainy, it's still edible.) The grain quinoa was found stored in Inca ruins and was still usable. (But I'm not sure if by "usable" they meant it produced plants when planted or if people actually ate it as is.)
Strawberries spoil quickly because they have a high moisture content, thin skin, and high sugar content.
The mouldy peach went mouldy and disintegrated in the bottom of Liam Booth's bag.
It sounds as if it has gone mouldy. It isn't always visible. I'd discard it if I were you.
no it doesnt
tea doesnt dissolve its the sugar that does