When gas is dissolved in a liquid, more gas dissolves into the liquid. It states that when the pressure of the gas when dissolved in liquid increases, the solubility increases. Thus, the correct option is C.
Pressure may be defined as the amount of force devoted perpendicular to the surface of an object per unit area. The unit of pressure is Pascal or Pa.
The solubility of any solution is directly proportional to the pressure that is exerted on it at a given time. As the pressure increases, more the solute dissolves into the solvent.
Therefore, the correct option for this question is C.
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