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Esthetics > Chapter7-Basis Of Chemistry > Flashcards

Chapter7-Basis Of Chemistry Flashcards

0
Q

What causes oxidation ?

A

Addition of oxygen or a loss of hydrogen

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1
Q

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

A

Matter

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2
Q

What is an ion ?

A

An atom or molecule that carries an electric charge .

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3
Q

What is an atom win a positive electrical charge ?

A

Cation

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4
Q

What is an ion with a negative charge ?

A

Anion

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5
Q

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

A

2 or more immiscible substances .

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6
Q

What is a solution ?

A

Uniform mixture of 2 or more mutually missable substances.

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7
Q

What is air ?

A

Gaseous mixture that makes up the earths atmosphere.

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8
Q

What is true of liquid ?

A

It is matter with fixed volume but no definite shape.

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9
Q

What’s is true of oxygen ?

A

It is the most abundant element on earth.

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10
Q

What is true of water ?

A

It is the most abundant of all substances on earth .

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11
Q

What is true of elements ?

A

Elements are the simplest form of matter

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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.

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13
Q

What term means water loving ?

A

Hydrophilic

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14
Q

How much of the air is made up of nitrogen ?

A

Four-fifths

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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

Esthetics (11 decks)

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