What is true of elements?

Elements are the simplest form of matters

What causes oxidation?

addition of oxygen or the loss of hydrogen

What is true of liquid?

It is matter fixed volume but no definite shape

Uniform mixture of two or more mutually miscible substance

Atom or molecule that carries an electrical charge

What is true of each of the approximately 90 naturally occurring elements?

Each has its own distinctive physical and chemical properties

What is true of oxygen?

It is the most abundant element on earth

What is true of water?

It is the most abundant of all substances on earth

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

Two or more immiscible substances

Loss of oxygen or the addition of hydrogen

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Ch 7

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Questions 40

Answers

1
What businesses primarily use oil-in-water emotions?
Salons and spas
Fast food restaurants
Auto repair shops
Bakeries
2
What are most skin care products?
Solutions of oil and water
Suspensions of oil and water
Emulsions of oil and water
Reductions of oil and water
3
What are substances with a pH above 7.0
Acids
Solutions
Alkalis
Reductions
4
What is air?
Common name for the chemical that makes the sky appear blue
Gaseous mixture that makes up the Earth’s atmosphere
Water vapor that forms cloud
Shell of radiation surrounding Earth
5
What does the term miscible mean?
Capable of being ionized
Incapable of being mixed
Capable of being mixed
Incapable of being ionized
6
What term refers to molecules that contain two or more atoms of the same elements?
Radiological molecules
Atomic molecules
Chemical molecules
Elemental molecules
7
What element is found in all living things, whether they are plants or animals?
Zinc
Helium
Carbon
Radon
8
What is the term that refers to matter in its three physical forms (liquid, solid, gas)?
Chemical properties
Physical properties
Appearances of matter
State of matter
9
What are suspensions
Unstable mixtures of two or more immiscible substances
Chemical compounds made from a reduction and a suspension
Stable mixtures of two or more immiscible substances
Chemical compounds made from a reduction and a solution
10
What is true of elements?
There are only five basic elements in the universe
In chemistry, the main elements are sunshine, clouds, rain, and snow
Elements are the most complex form of matter
Elements are the simplest form of matters
11
What are the two branches of chemistry?
Organic and inorganic
Anagen and catagen
Alkaline and acidic
Artificial and natural
12
What type of substance has a pH level of 7.0?
Toxic
Neutral
Alkaline
Acidic
13
What causes oxidation?
addition of oxygen or the loss of hydrogen
Addition of both oxygen and hydrogen
Addition of hydrogen or the loss of oxygen
Loss of both oxygen and hydrogen
14
What is a science that deals with the composition, structure, and properties of matter and how matter changes?
Ergonomics
Chemistry
Physiology
Biology
15
What is an atom with a positive electrical charge?
Cation
Neutron
Molecule
anion
16
What is an ion with a negative charge?
Molecule
Cation
Neutron
Anion
17
What is light a form of?
Liquid
Energy
Gas
Matter
18
What is true of liquid?
It is matter with no fixed volume but definite shape
It is matter with no fixed volume and no definite shape
It is matter with the fixed volume and definite shape
It is matter fixed volume but no definite shape
19
How much of the air is made of nitrogen?
2/3
1/4
3/8
4/5
20
What is a solution?
Unstable mixture of the largest particles
Uniform mixture of two or more mutually immiscible substances
Uniform mixture of two or more mutually miscible substance
Unstable mixture of an emulsion and a reduction
21
What is the difference between water-in-oil emotions and oil-in-water emulsions?
W/O emulsions or easily rinsed away with water
W/O emulsiona are greasier
O/W emulsiona are not easily rinsed away with water
O/W emulsiona are greasier
22
What is Ion?
Atom or molecule that carries an electrical charge
Spark discharge during the ionization process
Dust particle left over after the ionization process
Atom or molecule without an electrical charge
23
What is the study of substances that contain carbon?
Organic dating
Carbon chemistry
Carbon dating
Organic chemistry
24
What is any substance that is dissolved by a solvent to form a solution
Emulsion
Solute
Matter
Suspension
25
What type of neutralization reaction forms water and salt?
Reduction-compound
Acid-alkali
Atom-alkali
Solution-compound
26
What has physical properties that we can see, smell, taste, and touch?
Electricity
Matter
Energy
Radiation
27
What is true of moisturizer?
It is a water-in-oil emulsion
It is an oil-in-water reduction
It is an oil-in-water emulsion
It is water-in-oil reduction
28
What is true of each of the approximately 90 naturally occurring elements?
Though chemical properties very, all have the same physical properties
Each has its own distinctive physical and chemical properties
Though physical properties vary, all have the same chemical properties
All share the same physical and chemical properties
29
What do you antioxidants prevent by neutralizing free radicals?
Oxidation
Oxygenation
Radicalization
Ionization
30
What is not true of atoms?
They are small particles of elements
Atoms consist of smaller particles
All matter is composed of atoms
All atoms are identical
31
What is the natural pH of the skin?
7.5
3.5
5.5
7.0
32
What term means “oil-loving”?
Lipophobic
Lipocentric
Lipoactive
Lipophilic
33
How much of the earths surface, approximately, is water?
75%
100%
25%
10%
34
What term refers to substances with a pH below 7.0?
Bases
Acids
Alkalis
Solutes
35
What element is absent from the compounds studied in inorganic chemistry?
Carbon
Oxygen
Nitrogen
Helium
36
What is true of oxygen?
It should not be ingested because it is poisonous to humans
Contrary to popular belief, there is no oxygen in the air
It is the least abundant element on earth
It is the most abundant element on earth
37
What term means “water-living”?
Hydrocentric
Hydrophobic
Hydrophilic
Hydroactive
38
What is true of water?
It is the most abundant of all substances on earth
It is a relatively scarce substance
Water comprises a very small portion of the human body
The human body is made entirely of water
39
What is united with the aid of an emulsifier to create an emotion?
Two or more miscible substances
A surfactant and a liquid
A reduction and a solution
Two or more immiscible substances
40
What is a reduction?
Loss of oxygen or the addition of hydrogen
Addition of both oxygen and Hydrogen
Addition of oxygen or the loss of hydrogen
Loss of both oxygen and hydrogen

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