All of the following statements regarding ph are true except:

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Terms in this set (40)

What is the pH of a client's natural hair that has been permed, colored, sculpted and designed properly within the past few months

4.5 to 5.5

Atoms that are the same, form a

Element

What is formed when two or more non-mix able substance are united with the help of a binder

Emulsion

The instructions on a product state to shake well before use, which indicates this product is probably a

Suspension

What makes up the primary composition of hair

Keratin

Distilled water with a pH of 7 is considered

Neutral

All matter that is living contains carbon and deals with

Organic chemistry

Which of the following classifications would identify emulsions that are generally used by cosmetologists

Oil-in-water emulsion

A pH of 5 is how many more times acidic than a pH of 6

10

Which bonds found in hair can be easily broken by heat or water

Hydrogen bonds

Basic substances that cannot be broken down into simpler substances are called

Elements

A mixture of two or more kinds of molecules, evenly dispersed would be a

Solution

In the process of making a cup of instant hot chocolate, what would the powdered chocolate represent

Solute

The primary ingredient of most shampoos is

Deionized water

Mixtures of organic substances and a medicinal agent are

Ointments

Carbon, nitrogen, oxygen, and hydrogen are the building blocks of

Amino acids

All of the following statements regarding pH are true EXCEPT

A solution is acidic if it has more negative hydrogen ions

A substances that is able to dissolve another substances is called a

Solvent

What is the side bond that is of the greatest concern to the cosmetologist

Disulfide bond

The bonds that hold protein chains together in order to build hair are called

Side bonds

In what pH range is skin and hair

4.5 to 5.5

Which of the following cosmetic classification require sifting until free of coarse, gritty practices

Powder

Cleaning the hair and scalp and removing all foreign matter without adversely affecting either the scale or hair is called

Shampooing

Two or more atoms joined together by a chemical bond is

Molecule

Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which of the following classification

Soaps

Which of the following is not an example of a physical change

Rusting of a nail

If water contains certain salts of calcium, magnesium and other metals, it is classified as

Hard water

Which of the following statements describes how human hair is formed

Protein chains connect to other protein chains

Which of the following statements about surfactants is NOT true

Prevent shampoo from lathering

Substances of acidic or alkaline natural dissolve in water and contain

Water

Melting ice changes water from a solid to a liquid. Boiling water changes water from a liquid to a gas. These are examples of what type of change

Physical

What is the name given to purifying water by passing it through a porous substance

Filtration

Which shampoo would most likely be used to remove product build up

Clarifying shampoo

What is created when amino acids joined together in chains

Proteins

Which of the following shampoos would not be used for Color treated or damaged hair

Plane shampoo

Which of the following shampoo type is formulated to have the same pH is the hair and skin

Acid balanced shampoo

A solution that has more positive hydrogen ion's than negative hydroxide ions is

Acidic

Atoms make up elements. Elements make up matter. Therefore, all matter is comprised of

Atoms

Which of the following terms means non mixable

immiscible

when two hydrogen atoms combine with one oxygen atom, the result is water, which is called

compound

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Verified questions

CHEMISTRY

Which statement best explains the chemical differences between DNA and RNA? (a) DNA has two different sugars in its sugar-phosphate backbone, but RNA only has one. (b) Thymine is one of the DNA bases, whereas RNA's corresponding base is thymine minus a methyl group. (c) The RNA sugar-phosphate backbone contains fewer oxygen atoms than DNA's backbone. (d) DNA forms double helices but RNA cannot.

Verified answer

CHEMISTRY

Balance each of the following redox equations. Unless stated otherwise, assume that the reaction occurs in acidic solution. $$ \mathrm { Sb } _ { 2 } \left( \mathrm { SO } _ { 4 } \right) _ { 3 } + \mathrm { KMnO } _ { 4 } + \mathrm { H } _ { 2 } \mathrm { O } \rightarrow \mathrm { H } _ { 3 } \mathrm { SbO } _ { 4 } + \mathrm { K } _ { 2 } \mathrm { SO } _ { 4 } + \mathrm { MnSO } _ { 4 } + \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } $$

Verified answer

CHEMISTRY

When a geologist adds a few drops of HCl to a rock, gas bubbles form. What might the geologist conclude about the nature of the gas and the rock?

Verified answer

CHEMISTRY

List all the possible subshells and orbitals associated with the principal quantum number $n$, if $n=4$.

Verified answer

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In what pH range is skin and hair?

The natural pH of our skin is 5.5 and your hair strands are naturally at 3.67 — so both of them are on the acidic side.

What pH means quizlet?

pH. abbreviation meaning "potential for hydrogen." pH Scale. a scale used to define the levels of hydrogen (H) or hydroxide (OH) ions in a solution. Ranges from 0 (acidic) to 14 (basic/alkaline), with 7 being neutral.

What does a pH below 7 indicate?

The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

What pH value would be considered alkaline?

The pH scale ranges from 0 to 14, with 7 being neutral. pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic).