Ice floats on water because in the structure of ice hydrogen bonding is present which contains 9% spaces which make density of ice less.so, thats why ice floats in water.

If sugar and salt are dissolving in the polar substance like water then salt can dissolve earlier because it is ionic and polar in nature so it +ve and-ve ions dispersed in water.but sugar is non-polar and water will only dissolve only -oH part of sugar.and if they are dissolving in non-polar substance like oil … Read more