Chapter7-Basis Of Chemistry Flashcards Preview

Esthetics > Chapter7-Basis Of Chemistry > Flashcards

Flashcards in Chapter7-Basis Of Chemistry Deck (23)
Loading flashcards...
0
Q

What causes oxidation ?

A

Addition of oxygen or a loss of hydrogen

1
Q

What has physical properties that we can see, smell, taste, and touch ?

A

Matter

2
Q

What is an ion ?

A

An atom or molecule that carries an electric charge .

3
Q

What is an atom win a positive electrical charge ?

A

Cation

4
Q

What is an ion with a negative charge ?

A

Anion

5
Q

What is united with the aid of an emulsifier to create an emulision ?

A

2 or more immiscible substances .

6
Q

What is a solution ?

A

Uniform mixture of 2 or more mutually missable substances.

7
Q

What is air ?

A

Gaseous mixture that makes up the earths atmosphere.

8
Q

What is true of liquid ?

A

It is matter with fixed volume but no definite shape.

9
Q

What’s is true of oxygen ?

A

It is the most abundant element on earth.

10
Q

What is true of water ?

A

It is the most abundant of all substances on earth .

11
Q

What is true of elements ?

A

Elements are the simplest form of matter

12
Q

What is the difference between water in oil emulsions (W/O) and oil in water emulsions (O/W) ?

A

W/O emulsions are greasier.

13
Q

What term means water loving ?

A

Hydrophilic

14
Q

How much of the air is made up of nitrogen ?

A

Four-fifths

15
Q

What are the two branches of chemistry ?

A

Organic and inorganic

16
Q

What element is found in all living things wether they are plant or animal ?

A

Carbon

17
Q

What is a substance that is dissolved by a solvent to form a solution ?

A

Solute

18
Q

What do antioxidants prevent by neutralizing free radicals ?

A

Oxidation

19
Q

What term refers to substances with a pH below 7.0 ?

A

Acids

20
Q

What are surfactants ?

A

Unstable mixtures of two or more immiscible substances

21
Q

What is reduction ?

A

Loss of oxygen or the addition of hydrogen .

22
Q

Hi w much of the earths surface, approximately is water ?

A

75 percent