Chapter 7 Chemistry

How many naturally occurring elements are there

Of the following statements about hydroxy acids, which is NOT true

What are the basic units of matter that cannot be broken down into simpler substances by any chemical reaction?

Which ingredient helps increase the density in emulsions and gel- type products

Products packaged under pressure & blended with a gas inside a container are called

All of the following statements about lighteners are true EXCEPT

What are the basic materials that the body uses to construct and renew itself?

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

Type of chemistry that deals with matter that was never living & doesn't contain carbon is?

Thousands of amino acids connected lengthwise are known as a

Which of the following means the product is less likely to provoke an allergic reaction?

Molecules serve as building blocks that connect with each other to form larger, more complex compounds are known as

The unit of measurement that indicates whether a substance is acidic, neutral or alkaline?

Matter with definite weight, but indefinite volume and shape are

A mixture of sebum & sweat combined with lipids, minerals and moisture to form a protective barrier of the skin is

Which of the following are materials that dissolve and break down large molecules into smaller 1s?

Which of the following may contain salts such as calcium and magnesium?

Which of the following are ingredients that are likely to block or clog the process & contribute to pimples?

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

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

Which of the following is created by chemically uniting 2 different elements

The branch of science that deals with the chemical related to life processes & their reactions within the body is called

All of the following statements about solutions are true EXCEPT

Changed substance that creates a new substance with different material characteristics from those of the original sub?

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

Oils & oil- soluble substances used to condition & soften the skin are called

Which of the following is NOT 1 of the 3 major biochemical compound groups in the body?

Which of the following is a process in which a substance gains an electron & oxygen is released

A simple unit of a carbohydrate is called a

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

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

Which of the following numbers on the pH scale represents an alkaline pH?

All of the following statements about carbohydrates are true EXCEPT

All of the following are benefits that may be derived from botanicals EXCEPT

All of the following statements are true about the pH scale EXCEPT

Which of the following cosmetic products are anhydrous substances that have the thick & heavy texture of a paste?

Which of the following statements is NOT true about fragrances?

What is the smallest particle of a compound that contains all of the chemical properties of that compound

The molecular weight of each element is determined by the

Type of chemistry that deals with all matter that is now living or was alive at 1 time is known as

Ingredients that are designed to dissolve keratin proteins on the surface of the skin are called?

Which of the following have the ability to bind a wide range of organic & inorganic matter of water

All of the following are examples of lipids EXCEPT

All of the following statements about emollients are true EXCEPT

What is the liquid part of a solution called

Which of the following items contains very few minerals

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

Emollients in products are generally found in concentrations ranging between

What is the pH of pure distilled water