Chemistry-102.11/102.12

What is created when amino acids join together in chains?

All of the following statements regarding pH are true EXCEPT:

Water molecules have two hydrogen atoms and one:

Substances of acidic or alkaline nature dissolve in water and/or contain:

All matter that is now living or was alive at one time, with carbon present, is:

The bonds found within hair that help organize protein chains in order to build hair are:

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

What color does red litmus paper turn when placed in an alkali?

Atoms that are different form a(n):

Water freezing and becoming ice is an example of a(n):

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

Matter with definite weight but indefinite volume and shape is called:

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

When two H atoms combine with one O atom, the result is a water molecule, which is a(n):

Alkalis tend to taste:

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

Amino acids that create proteins are linked together end to end by:

Matter with a definite weight, volume, and shape is known as:

Acids tend to taste:

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

Hair consists of 97%

Which of the following is not an example of a physical change?

When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:

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

Neutrons have which type of electrical charge?

The most accurate method of measuring pH is with:

What color does blue litmus paper turn when placed in an acid?

Which of the following elements is the second most abundant element in the earth's atmosphere?

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

All matter that is not alive and does not contain carbon is:

Atoms that are the same form a(n):

In what pH range is skin and hair?

Why is chlorine added to the water purification process?