Question

Once they dissolve in water, grains of sugar are no longer visible to the naked eye. What experiments can be performed to prove the existence of sugar molecules in the solution ?

Answer 1

evaporation

Explanation:

once sugar dissolves in water it is no longer visible. So , to prove that the sugar molecules exist in the water we need to heat the solution. On heating the solution the water molecules evaporate leaving the sugar molecules in the utensil. so this proves the existence of sugar in water.

Answer 2

Answer:

that first one is the correct answer