What is United with the aid of an emulsifier to create an emulsion?

Two or more immiscible substances

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

Each has its own distinctive physical and chemical properties

Atom or molecule that carries an electrical charge

Loss of oxygen or the addition of hydrogen

What is true of liquids

It is matter with fixed volume but no definite shape

What is true of oxygen

It is the most abundant on earth

Uniform mixture of two or more mutually miscible substances

What is true of water

It is the most abundant of all substances on Earth

Unstable mixtures of two or more immiscible substances

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HBA MILADY CHAPTER 7

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Questions 37

Answers

1
What term means “oil -loving”
Lipocentric
Lipoactive
Lipophobic
Lipophilic
2
Gaseous mixture that makes up the earth’s atmosphere ,is called Air
True
False
3
What is the difference between water-in-oil W/O emulsion and oil-in-water emulsions?
W/O emulsions are greasier
O/W emulsions are greasier
W/O emulsions are easily rinsed away with water
O/W emulsions are not easily rinsed away with water
4
What is any substance that is dissolved by a solvent to form a solution
Solute
Suspension
Matter
Emulsions
5
What type of substance has a ph level of 7.0
Alkaline
Acidic
Toxic
Neutral
6
Elements are the simplest form of matter
True
False
7
What are most skin care products ?
Solutions of oil and water
Emulsions of oil and water
Reduction of oil and water
Suspensions of oil and water
8
What element is found in all living things, whether they are plants or animals
Radon
Zinc
Carbon
Helium
9
What is United with the aid of an emulsifier to create an emulsion?
Two or more miscible substance
A surfactant and a liquid
A reduction and a solution
Two or more immiscible substances
10
What is NOT true of atoms
All atoms are identical
All matter is composed of atoms
all matters is composed of atoms
They are small particles of elements
11
What term refers to substances with a ph below 7.0
Alkalis
Solution
Acids
bases
12
Oxidation causes addition of oxygen or the loss of hydrogen
False
True
13
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 eulsion
It is a water-in-oil reduction
14
Air is made up of four-fifths of nitrogen
True
False
15
What type of neutralization reaction forms water and salt
Reduction compound
Atom alkali
Solution compound
Acid-alkali
16
What is true of each of the approximately 90 naturally occurring elements ?
Though the physical properties vary, all have the same chemical properties
All share the same physical and chemical properties
Each has its own distinctive physical and chemical properties
Though chemical properties vary , all have the same physical properties
17
What are substances with a ph above 7.0
Solutions
Alkalis
Reduction
Acids
18
The term miscible means capable of being mixed.
True
False
19
What term means “water-loving”
Hydrocentric
Hydroactive
Hydrophilic
Hydrophobic
20
What is an ion?
Dust partical left over the ionization process
Atom or molecule without an electrical charge
Spark discharged during the ionization process.
Atom or molecule that carries an electrical charge
21
What element is absent from the compounds studied in inorganic chemistry
Oxygen
Nitrogen
Carbon
Helium
22
An atom with a positive electrical charge is called an anion.
True
False
23
What is light a form of ?
Energy
Gas
Matter
Liquid
24
What is the study of substances
Organic chemistry
Carbon dating
Organic dating
Carbon chemistry
25
What do antioxidants prevent by neutralizing free radicals
Ionization
Oxygenation
Radicalization
Oxidation
26
What is reduction
Loss of oxygen or the addition of hydrogen
Loss of both oxygen and hydrogen
Addition of oxygen or loss of hydrogen
Addition of both oxygen and hydrogen
27
What is an ion with a negative charge?
Neutron
Anion
Molecule
Cation
28
What is true of liquids
It is matter with no fixed volume but definite shape
It is matter with fixed volume but no definite shape
It is matter with no fixed volume but no definite shape
It is matter with fixed volume and definite shape
29
What is true of oxygen
It should not be ingested because it is poisonous to human
It is the most abundant on earth
Contrary to popular belief, there is no oxygen in the air
It is the least abundant element on earth
30
What term refers to molecule that contain two or more atoms of the same element?
Radiology molecules
Atomic molecules
Chemical molecules
Elemental molecules
31
What is the term that refers to matter in its three physical forms
Chemical properties
Physical properties
States of matter
Appearances of matter
32
What is a solution?
Uniform mixture of two or more mutually miscible substances
Unstable mixture of an emulsion and a reduction
Uniform mixture of two or more mutually immiscible substances
Unstable mixture of the largest particles
33
What has physical properties that we can see,smell,taste,and touch
Matter
Radiation
Energy
Electricity
34
What business primarily use oil-in-water emulsions
bakeries
Fast food restaurants
Auto repair shops
Salons and spas
35
What is true of water
The human body is made entirely 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
36
The true branches of chemistry are organic and inorganic
False
True
37
What are suspensions
Stable mixture of two or more immiscible substances
Chemical compounds made from a reduction and a solution
Unstable mixtures of two or more immiscible substances
Chemical compounds made from a reduction and a suspension

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