PP Matter and pH

All matter that is not alive, has never beenalive and does not contain carbon, such as rocks, water and minerals falls within the study of:

• physics

• anatomy

• organic chemistry

• inorganic chemistry

A pH of 5 is how many more times acidic than a pH of 6?

• 1.5

• 10

• 100

• 1000

All of the following statements regarding pH are true EXCEPT:

• 7 indicates a neutral substance

• values below 7 indicate more acidity

• values below 7 indicate more alkaline

• pH is a unit of measurement that indicates whether a substance is acidic, neutral or alkaline

In what pH range is skin and hair?

• 4.5 to 5.5

• 6.5 to 7.0

• 7.5 to 10.5

• 11.5 to 12.0

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

• alkaline solution

• chemical solution

• neutral solution

• acidic solution

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

• 4.5 to 5.5

• 6.5 to 7.0

• 7.5 to 10.5

• 11.5 to 12.0

The most accurate method of measuring pH is with:

• a pH meter

• pH paper

• indicator paper

• indicator liquid

What is the pH range of hair, skin and nails?

• 4.5 to 5.5

• 6.5 to 7.0

• 7.5 to 10.5

• 11.5 to 12.0

Atoms have three main parts: protons, neutrons and:

• neurons

• elements

• electrons

• compounds

Atoms that are the same form a(n):

• mixture

• element

• emulsion

• compound