COSM 40 Final Written Exam Review - Part 1

pH balanced refers to a product that ranges from a pH of:

When amino acids combine to form the protein of the hair:

Nitrogen is the most abundant element in the earth's crust.

What is created when amino acids join together in chains?

The term used to identify anything that occupies space and has weight is called:

The most accurate method of measuring pH is with a pH meter.

Water freezing and becoming ice is an example of what type of change?

A pH of 5 is _____ times more acidic than a pH of 6:

Putting a sodium hydroxide relaxer under a hair dryer:

The simplest atomic structure is hydrogen.

Alkalis tend to taste:

A shampoo type generally recommended for clients who are bedridden and cannot wet their hair is known as:

A mixture of secretions from the sebaceous glands and perspiration from the sweat glands is called the:

Water molecules have two hydrogen atoms and one sulfur atom.

The chemical symbol for carbon is:

On the pH scale, numbers greater than 7 indicate a(n):

Protons have which type of electrical charge?

Hair comprises two solids which are carbon and sulfur and three gases which are hydrogen, nitrogen, and:

Carbon, nitrogen, oxygen, and hydrogen form the basis of:

Acids tend to taste:

A form of silicone used in conditioner that give softness to the feel of hair without weighing it down is known as:

Matter with definite weight and volume but no shape is called:

Which bonds found in the hair can be easily broken by heat or water?

Regarding pH: values below 7 indicate more alkalinity.

A substance that is able to dissolve another substance is called a(n):

In what pH range is skin and hair?

A solution that has more positive hydrogen ions than negative hydroxide ions is:

Which of the following conditions is an example of chemical change?

What is the side bond that is of the greatest concern to the salon professional?

Two or more of the same atoms joined together by a chemical bond is a(n):

Electrons have which type of electrical charge?

Which bond is the backbone of all protein molecules?

The scientific study of matter and the physical and chemical changes of matter is known as: