chemistry and chemical safety

Question 1

element

Answer 1

simplest form of chemical matter and contains one atom

Question 2

atoms

Answer 2

are the basic unit of mater

Question 3

protons

Answer 3

subatomic particles with a positive charge

Question 4

neutrons

Answer 4

subatomic particals with no charge

Question 5

electrons

Answer 5

subatomic particals with a negative charge

Question 6

molecule

Answer 6

is a chemical combination of two or more atoms in definite proportions

Question 7

physical properties

Answer 7

without chemical

Question 8

chemical properties

Answer 8

with chemical

Question 9

physical mixture

Answer 9

physical combination of matter

Question 10

a solution

Answer 10

is a stable uniform mixture of two or more substance

Question 11

solvent

Answer 11

is the substance that dissolves the solute and makes the solution

Question 12

miscible

Answer 12

liquids are mutually soluble meaning that they can be mixed together to form solutions

Question 13

immiscible

Answer 13

liquids are not capable of being mixed together to form stable solutions

Question 14

suspensions

Answer 14

unstable physical mixtures of undissolved particles in liquid

Question 15

emulsion

Answer 15

is an unstable physical mixtures of two or more immiscible substances

Question 16

emulsifier

Answer 16

is an ingredient that brings two normally incompatible materials together and binds them together into a uniform and fairly stable mixture

Question 17

surfactants

Answer 17

are substances that allow oil and water to mix or emulsify

Question 18

oil-in-water emulsion

Answer 18

oil droplets are emulsified in water

Question 19

water-in-oil

Answer 19

water droplets emulsified in oil

Question 20

volatile alcohols

Answer 20

evaporates easily

Question 21

alkanolamines

Answer 21

alkaline substances used to neutralize acids or raises the pH of many hair products

Question 22

ammonia

Answer 22

colorless gas composed of hydrogen and nitrogen. has a pungent odor

Question 23

volatile organic compounds (VOCs)

Answer 23

contain carbon and evaporate easily

Question 24

pH

Answer 24

potential hydrogen

Question 25

ion

Answer 25

molecule that Carry's an electric charge

Question 26

lonization

Answer 26

the separation of an atom or molecule into positive and negative ions

Question 27

anion

Answer 27

ion with a negative electrical charge

Question 28

cation

Answer 28

an ion with a positive charge

Question 29

alpha hydroxy acids (AHAs)

Answer 29

derived from plants (mostly fruit) acids used to exfoliate the skin and to help adjust pH of products

Question 30

glycolic acids

Answer 30

is a alpha hydroxy acid used in exfoliation and to lower the pH of products

Question 31

thioglycolid acid

Answer 31

a colorless liquid or white crystal with a strong unpleasant odor that is used in permanent waving solutions

Question 32

alkails

Answer 32

also known as bases owe their chemical reactivity to the hydroxide ion

Question 33

sodium hydroxide

Answer 33

commonly known as lye

Question 34

oxidation reduction

Answer 34

also known as redox. is a chemical reaction in which oxidation and reduction take place at the same time.

Question 35

reducing agent

Answer 35

is a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.

Question 36

exothermic reaction

Answer 36

An example of this is the heat produced after mixing the activator and waving lotion in an exothermic permanent wave product.

Question 37

Combustion

Answer 37

is the rapid oxidation of a substance accompanied by the production of heat and light.

Question 38

endothermic reaction

Answer 38

is a chemical reaction that requires the absorption of energy or heat from an external source for the reaction to actually occur.

Question 39

incompatible

Answer 39

meaning that they should not be mixed or even stored near each other.

Question 40

Safety Data Sheet

Answer 40

While both sheets provide essentially the same important safety information about chemicals, the organization and ease of understanding

Question 41

carcinogen

Answer 41

is a substance that causes or is believed to cause cancer.

Question 42

mutagen

Answer 42

on the other hand, is a substance that may cause cancer but not always.

Question 43

, flammable

Answer 43

material is even easier to ignite—combustible liquid has a flashpoint between 100 and 200 degrees Fahrenheit, while flammable liquid has a flash point below 100 degrees.