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Cosmo: Chemistry Flashcards | StudBud
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Cosmo: Chemistry
Cosmo: Chemistry
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Questions
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Answers
1
A reducing agent releases oxygen
True
False
2
Rapid oxidation of a substance, axxompanied by the production of heat and light is:
Emulsification
Ionization
Reduction
Combustion
3
A(n) __________ is a stable physical mixture of two or more substances
Emulsion
Solution
Compound
Element
4
Chemically joining two or more atoms in definite proportions forms a(n):
Solvent
Acid
Molecule
Mixture
5
A chemical combination of two or more atoms of different elements in definite proportions is a:
Element
Molecule
Ion
Compound
6
A(n) _________ is a substance that dissolved into a solution.
Alkali
Acid
Solute
Solvent
7
The term logarithm means?
Multiples of 5
Multiples of 6
Multiples of 10
Multiples of 15
8
Ability for wood to burn is an example of a chemical property
True
False
9
The head of a surfactant molecule is __________.
Lipophilic
Oil attracting
Small
Hydrophilic
10
A(n) __________ is a mixture of two or more immiscible substances united with the aid of a binder.
Suspension
Solution
Emulsion
Mixture
11
In an oxidation-reduction reaction oxidation and reduction occur:
Simultaneously
One before the other
One then the other
12
When a substance undergoes a _______ change a new substance is created.
Molecule
Chemical
Physical
Elemental
13
A chemical combination of matter in definite proportions is a(n):
Chemical mixture
Pure substance
Miscible substance
Combined mixture
14
Any substance that occupies space and has mass is considered:
Weight
Objects
Matter
Mass
15
A(n) ______ is a substance that acts as a bridge to allow oil and water to mix or emulsify.
Surfactant
Reduing agent
Anion
Cation
16
An exothermic chemical reaction:
Releases heat
Producses a positive electric charge
Produces a negative electric charge
Absorbs heat
17
Protons are subatomic particles with what type of charge?
Negative
No charge
Positive
Strong charge
18
Sodium hydroxide, commonly known as _____ is a ver strong alkali used in chemical hair relaxers.
Bleach
Alkali
Peroxide
Lye
19
The _____ is the smallest chemical component of an element.
Anion
Atom
Molecule
Cation
20
Which of these types of products have no pH?
Oils
Shampoos
Relaxers
Haircolor
21
The process of which oxygen is subtracted or hydrogen is added to a substance via a chemical reaction is:
Reduction
Ionization
Combustion
Oxidation
22
Alkanolamines are often used in place of ammonia because they:
Are much less expensive
Produce less odor
Are much more effective
Have a better texture
23
A molecule that carries an electric charge is called an:
Atom
Ion
Alkaline
Acid
24
Glycerin is an oily substance used in moisturizers
False
True
25
A common use of _________ is raising the pH in hair products to allow the solution to penetrate the hair shaft.
Amino acid
Alpha hydroxy acid
Alkaline solution
Ammonia
26
Water-in-oil emulsions feel __________ than oil-in-water emulsions.
Hotter
Colder
Greasier
Wetter
27
An oxidizing agent is a substance that releases:
Hydrogen
Oxygen
Carbon
Nitrogen
28
Inorganic chemistry is the study of substances that do not contain the elemnet carbon, but may contain what element?
Nitrogen
Oxygen
Silicon
Hydrogen