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C-102.11-102.13 Chemistry Flashcards | StudBud
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C-102.11-102.13 Chemistry
C-102.11-102.13 Chemistry
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1
What is created when amino acids join together in chains?
Chemicals
Compounds
Elements
Proteins
2
Why is it sometimes recommended to add heat during the process when working with conditioners?
To open the cuticle
To loosen the cuticle
To strengthen the cuticle
To close the cuticle
3
When amino acids combine to form the protein of the hair:
They take on a spiraling configuration
The hair's amino acid content will decrease
They form a new amino acid group
The hair's amino acid content will increase
4
The atomic number of a particular element indicates:
The number of electrons in a single atom
The number of atoms in a single element
The number of protons in a single atom
The number of neutrons in a single atom
5
The simplest atomic structure is:
Carbon
Sulfur
Hydrogen
Oxygen
6
Which bonds found in the hair can be easily broken by heat or water?
Peptide bonds
Disulfide bonds
Hydrogen bonds
Van Der Waals forces
7
How far can healthy hair be stretched without breaking when wet?
0.1
0.5
0.75
0.3
8
Rinses, which affect mostly the surface of the hair:
Usually penetrate deep into the hair
Are usually left on hair for 30 minutes before removing
Repair broken bonds of the hair
Can be detrimental if allowed to build up on the hair
9
pH balanced refers to a product that ranges from a pH of:
7.5 to 10.5
4.5 to 5.5
6.5 to 7.0
11.5 to 12.0
10
All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:
Organic chemistry
Inorganic chemistry
Physics
Anatomy
11
Atoms that are the same form a(n):
Emulsion
Compound
Element
Mixture
12
Which of the following items has/have definite weight and volume but no definite shape?
Hair
Ice cube
Conditioners, solutions and shampoos
Oxygen
13
All of the following statements regarding pH are true EXCEPT:
Values below 7 indicate more acidity
7 indicates a neutral substance
Values below 7 indicate more alkalinity
pH is a unit of measurement that indicates acidic, neutral or alkaline
14
The term used to identify anything that occupies space is called:
Matter
A gas
Organic
A solid
15
The most accurate method of measuring pH is with:
a pH meter
Indicator paper
Indicator liquid
pH paper
16
Matter with definite weight and volume but no definite shape is called:
A liquid
Organic
A solid
A gas
17
Carbon, nitrogen, oxygen and hydrogen form the basis of:
Mixtures
Compounds
Amino acids
Elements
18
Amino acids that create proteins are linked together end to end by:
Alkaline bonds
Peptide bonds
Salt bonds
Side bonds
19
Atoms that are different form a(n):
Compound
Element
Emulsion
Mixture
20
Protons have which type of electrical charge?
Positive
Negative
None
Neutral