Question

You carefully place lettered candy with the letters facing up in water. Without disturbing the water, you notice the letters float above the candy as the solution process takes place. Discuss why this would happen in terms of soluble, insoluble, miscible, immiscible, and water as the universal solvent. Describe the general conditions under which solids are most soluble in liquids.

Answer 1

Oil-based food coloring used to make the letters, won't dissolve in water. According to some sources, oil-based food coloring is either insoluble or immiscible in water. Because it is present in more solutions, water serves as the universal solvent.

Universal solvent:-

A substance that displaces most compounds is known as a universal solvent. Because it dissolves more chemicals than any other solvent, water is known as the universal solvent.

What chemicals lack solvability?

Sand, plastic, wood, metal, glass, and cloth are examples of insoluble materials. At standard conditions of pressure and temperature, these compounds never dissolve in water or any other solvent. Other examples of insoluble materials are sugars and inorganic salts.

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