Sugar

Sugar has some odd aspects to it. For instance, if you put a flame straight to it, it will not burn. however, dissolve it in water, burn off the water (through boiling), it will become elemental Carbon (very gross by the way). Why does it do this? Sugar, in cube form, will not light unless given enough heat. This is because of the density of the cube. Put ash on it, it will light very easily. The ash acts as a catalyst to the sugar. Powdered sugar however, is very easy to light, as it is much less dense. Sugar mixed with water is very sweet. Possibly too sweet for my tastes. The interesting thing, when you boil off that water, the sugar becomes Carbon. Why? This is because the hydrogen and oxygen atoms bond (creating water, which is being burned off) leaving carbon. When the water is burned off, you get a black, brittle substance, which is elemental carbon. I do not recommed eating it. It is not toxic at all, but it is really quite gross to taste.