Esthetician State Boards – Chemistry | QUESTIONS AND
ANSWERS
The scientific study of matter and the physical and chemical changes of matter is known as: **
Answ** chemistry
pH stands for: ** Answ** potential hydrogen
A substance that increases the concentration of hydrogen ions when placed in water because it
donates, or releases, H+ ions is a(n): ** Answ** acid
When a solution has an equal number of hydrogen and hydroxide ions, the solution is
considered: ** Answ** neutral
Alkalis tend to taste: ** Answ** bitter
On the pH scale, numbers less than 7 indicate a(n): ** Answ** acidic solution
What color does red litmus paper turn when placed in an alkali? ** Answ** blue
On the pH scale, the closer you get to 14, the stronger the acidity. ** Answ** false
Which of the following cosmetic categories represents a mixture of two or more kinds of
substances evenly dispersed and mixable? ** Answ** solution
Mixtures of fats and oils converted to fatty acids by heat and then purified fall under which of the
following cosmetic classifications? ** Answ** soaps
Mixtures of organic substances and a medicinal agent are: ** Answ** ointments
ANSWERS
The scientific study of matter and the physical and chemical changes of matter is known as: **
Answ** chemistry
pH stands for: ** Answ** potential hydrogen
A substance that increases the concentration of hydrogen ions when placed in water because it
donates, or releases, H+ ions is a(n): ** Answ** acid
When a solution has an equal number of hydrogen and hydroxide ions, the solution is
considered: ** Answ** neutral
Alkalis tend to taste: ** Answ** bitter
On the pH scale, numbers less than 7 indicate a(n): ** Answ** acidic solution
What color does red litmus paper turn when placed in an alkali? ** Answ** blue
On the pH scale, the closer you get to 14, the stronger the acidity. ** Answ** false
Which of the following cosmetic categories represents a mixture of two or more kinds of
substances evenly dispersed and mixable? ** Answ** solution
Mixtures of fats and oils converted to fatty acids by heat and then purified fall under which of the
following cosmetic classifications? ** Answ** soaps
Mixtures of organic substances and a medicinal agent are: ** Answ** ointments
