Chapter 7 Chemistry

What is the liquid part of a solution called

What number on the pH scale represents an alkaline pH?

Ingredients designed to dissolve keratin proteins on the surface of the skin

Mixture of sebum and sweat combined with lipids, minerals and moisture to form a protective barrier for the skin

Number that identifies how many protons are in a single atom of an element on the periodic table?

Ingredient that is likely to block or clog the pores and contribute to pimples

Materials that dissolve and break down large molecules into smaller ones?

May contain salts such as calcium and magnesium

Smallest particle of a compound that contains all of the chemical properties of that compound

Benefits that may be derived from botanicals EXCEPT:

Unit of measurement that indicates whether a substance is acidic, neutral or alkaline

Basic units of matter that can not be broken down into simpler substances by any chemical reaction?

The ability to bind a wide range of organic and inorganic matter to water

Process in which a substance gains an electron and oxygen is released?

Following statements about lighteners are true EXCEPT:

Product is less likely to provoke an allergic reaction

Ingredients that possess the ability to destroy bacteria that can cause undesirable effects on the skin

Which is NOT one of the three major biochemical compound groups in the body?

All of the following are examples of lipids EXCEPT:

Created by chemically uniting two different elements

Which of the following statements is NOT true about fragrances

Type of chemistry that deals with matter that was never living and does not contain carbon

Molecules in the body that serve as building blocks that connect with each other to form larger, more complex compounds

Known as a universal solvent

Ingredient that helps increase the density in emulsions and gel-type products

Contains very few minerals

All of the following statements about carbohydrates are true EXCEPT:

Change in substance that creates a new substance with different material characteristics from the original substance

Following statements about solutions are true EXCEPT:

Cosmetic products are anhydrous substances that have the thick and heavy texture of a paste

Matter with definite weight, but indefinite volume and shape

Chemistry that deals with all matter that is now living or was alive at one time

All of the following statements about emollients are true EXCEPT:

Ingredients are often used to increase the thickness of cosmetic products and provide moisturizing properties

Emollients in products are generally found in concentrations ranging between:

Basic materials that the body uses to construct and renew itself?

pH of pure distilled water

Simple unit of a carbohydrate is called?

Thousands of amino acids connected lengthwise are known as

Products packaged under pressure and blended with gas inside a container

Branch of science that deals with the chemicals related to life processes and their reactions within the body

How many naturally occurring elements are there?

What level of pH will increase the skin's permeability and leave it vulnerable to injury by environmental factors

What is even dispersion of a solid substance in a liquid base called?

Molecular weight of each element is determined by

Oil and oil-soluble substances used to condition and soften the skin

If a carboxyl group is located on the second carbon atom of the chain, the ingredient is categorized as

Which statement about Hydroxy acids is NOT true?

All statements are true about the pH scale EXCEPT:

Ingredients used in certain types of treatment products to prevent skin inflammation and damage due to free radicals