Cosmetology Chemistry Diesing

A combination of substances that are held together by physical rather than chemical ties is called :

• mixture

• compound

• synthesis

• solvent

What type of change occurs when ice melts and becomes water?

• chemical

• physical

• soluble

• reactive

If a product has a pH of 8.9, it is considered:

• neutral

• acid

• alkaline

• balanced

Pure water with a pH of 7 is considered to be:

• neutral

• alkaline

• acid

• mineral

Liquids that mix easily are known as:

• miscible

• immiscible

• compatible

• incompatible

In creating a solution, the liquid used to dissolve a substance is called the:

• solute

• solvent

• suspension

• emulsion

An alternation of the properties of a substance without the formation of a new substance is a:

• mixture

• compound

• chemical change

• physical change

The tail of a surfactant molecule is ___, meaning oil-loving.

• aquaphilic

• lipophilic

• hydrophilic

• oilophilic

A preparation made by dissolving a solid, liquid, or gaseous substance in another substance is:

• a suspension

• an ointment

• an emulsion

• a solution

Temporary mixtures of two kinds of matter are:

• solutions

• emulsions

• mixtures

• suspensions