25 terms

Aesthetician State Board Prep (Chemistry)

Chemistry
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Terms in this set (...)

The effects of cosmetic products on the skin are based on:
Chemical reactions
The two main branches of chemistry are:
Organic and inorganic
Organic substances:
Contain carbon
Matter assumes the shape of a solid, liquid, or gas depending on its:
Temperature
A form of matter that cannot be broken down into simpler substances is the:
Element
The smallest part of an element that still retains the properties of that element is called a/an:
Atom
Water and table salt are types of:
Compounds
When a physical change occurs in a substance:
There is a change in physical properties
Physical properites include:
Weight
An exmaple of a physical change is:
Water freezing into ice
The element oxygen is:
The most abundant element
Hydrogen peroxide is a compound of:
Oxygen and hydrogen
The pH scale measures the:
Acidity and alkalinity of a substance
Alkalis or bases:
Have a pH above 7
Sebum and sweat on the skin create a barrier on the surface called the:
Acid mantle
When equal amounts of acids and alkalis are mixed together, they:
Neutralize eachother
When oxygen is removed from a substance, the chemical reaction is called:
Reduction
In redox reactions, the two chemical process that take place simultaneously are:
Oxidation and Reduction
A usually liquid substance that dissolves another substance is called a:
Solvent
Immiscible liquids:
Cannot be mixed together
Calamine lotion is a type of:
Suspension
An emulsion:
Has larger particles than solutions and suspensions do
The head of a surfactant molecules is:
Hydrophilic
Oil-in-water emulsions:
Contain more water than oil
Surfactants are an ingredient in:
Emulsions