Esthetic chemistry 7.2

Is the unit of measurement that indicates whether a substance is acidic, neutral or alkaline

(a)  

A term used for describing a base

(a)  

skin, hair, scalp have a natural pH of

• 4.5-5.5

• 4.5-7

• 7

• 8-10

The protective barrier is referred to as the

• Acid mantel

• Acid crust

• Acid core

Hard water may contain salts such as...

• Calcium

• Magnesium

• Potassium

• sea salt

A __________ is a mixture of two or more chemicals in which each component is evenly distributed in the mixture to form a complete and homogeneous dispersion

• Solution

• Solvent

• Solute

• Mixture

This is known as a universal solvent

(a)  

The only substances not soluble in water are

• Organic substances

• Inorganic substances

Solvents that easily mix together are called

• Miscible solvents

• Immiscible solvents

The even dispersion of a solid substance in a liquid base

• Suspension

• Saturation point

• Solution

• Mixture