GEOLOGY

Detailed explanation-1: -Substances that completely dissolve in water are called soluble substances.

Detailed explanation-2: -Some substances dissolve when mixed with water and will seem as if they have disappeared. However, they are still there, but the particles are so small you can no longer see them. This is because the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules.

Detailed explanation-3: -Solubility is the ability to dissolve into (become a part of) another substance. Something that dissolves, like the sugar in our example, is called a solute. The substance that it dissolves into, like the tea, is called the solvent. When a solute dissolves into the solvent, the end product is called a solution.

Detailed explanation-4: -The substances which dissolve completely in water are called soluble substances. Sugar and salt are substances that can be dissolved completely in water. When sugar is mixed with water, it gets disappears and the water tastes sweet. No solid crystals of sugar will remain left.