Why sugar melts in cold water?

Water dissolves sugar by breaking the bonds that hold sugar molecules together, which requires energy. Whilecold water can do this, it has less energy available to break sugarmolecule bonds than water of a higher temperature, which is why hot water is able to dissolve more sugar than cold water. read more

Either dissolve the desired amount of sugar in hot water and add ice cubes to adjust the temperature, or dissolve a smaller amount of sugar in cold water in increments. This page may be out of date. Save your draft before refreshing this page. read more

In fact, you could use any substance that dissolves in water. Sugar wouldn't work as well as salt, and there is the issue of all that sticky water turning roadside muck into taffy. But since it does lower the freezing point of water, ice would melt, as long as the outside temperature isn't too cold. read more