Answer: Solubility
Step-by-step explanation:
Solubility can be defined as the chemical property which refers to the ability of the substance to dissolve in a solvent. Here, the solvent is water.
It is measured as maximum amount of a solute dissolved in the solvent in equilibrium condition.
The resulting solution which is formed after dissolution in water is known as saturated solution.
Here, the doctor wants to test the solubility of chemical in water.