Arkansas State Barber Practice Exam

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The pH of a solution measures its degree of:

Salinity
Density
Acidity or alkalinity
Viscosity

The correct answer is: Acidity or alkalinity

pH is a measurement of the concentration of hydrogen ions in a solution. This means that it tells us how acidic or basic a solution is. Salinity refers to the amount of salts dissolved in a solution, not the level of acidity. Density is a measure of the mass per unit volume of a substance, and it is not related to acidity or alkalinity. Viscosity measures the resistance of a liquid to flow, and it is also not related to the acidity or alkalinity of a solution. Therefore, the correct answer is C Acidity or alkalinity.