Ch 7 Chemistry

Question 1

Which of following is a process in which a substance gains an electron and oxygen is released

Accepted Answer

reduction

Question 2

Ingredient in certain types of treatment products to prevent skin inflammation & free radicals

Accepted Answer

antioxidants

Question 3

Which of the following is created by chemically uniting two different elements

Accepted Answer

compound

Question 4

The chemical behavior of an atom depends mostly on the

Accepted Answer

number of electrons in the outermost shell

Question 5

All of the following statements about compounds are true EXCEPT

Accepted Answer

units of matter cannot be broken down in simpler substances

Question 6

The molecular weight of each element is determined by the

Accepted Answer

protons and neutrons

Question 7

A mixture of two or more compounds in which each component is evenly dispersed is called

Accepted Answer

solution

Question 8

What is the smallest particle of compound that contains all chemical properties of the compound

Accepted Answer

molecule

Question 9

The type of chemistry that deals with all matter that is now living or was alive at some time

Accepted Answer

organic chemisrty

Question 10

The following ingredients are included in cosmetic products maintain microbiological integrity

Accepted Answer

preservatives

Question 11

Which of the following items contains very few minerals

Accepted Answer

soft water

Question 12

What number identifies how many protons are in a single atom of an element on periodic table?

Accepted Answer

atomic number

Question 13

Which of the following examples of silicone makes a product feel soft. especially sunscreen?

Accepted Answer

dimethicone coppyol

Question 14

When positive and negative ions join, they are held together by a (an)

Accepted Answer

ionic bond

Question 15

Which of the following may contain salts such as calcium and magnesium

Accepted Answer

hard water

Question 16

Organic acid extracted from variety natural sources such as fruits, sugar and milk are called

Accepted Answer

hydroxy acids

Question 17

How many naturally occurring elements are there?

Accepted Answer

92

Question 18

What ingredient is used in cosmetic products to keep them firm, yet soft and easy to apply

Accepted Answer

fatty acids

Question 19

All of the following statements about Period Table of Chemical Elements are true EXCEPT

Accepted Answer

unifying concept t organize elements is scientific shorthand

Question 20

You can keep your clients skin in top shape by doing all of the following EXCEPT

Accepted Answer

using harsh soaps and cleansers without a toner/moisturizer

Question 21

The unifying concept used to organize elements and their similarities is called the

Accepted Answer

periodic law

Question 22

Which of the following ingredients are commonly used to deliver a variety of benefits to skin

Accepted Answer

vitamins

Question 23

Which of the following is NOT one of the 3 major biochemical compound groups in the body

Accepted Answer

acid mantle

Question 24

Following cosmetic ingredients considered drug product under FDA Guidelines by blocking UV rays

Accepted Answer

sunscreen

Question 25

A simple unit of carbohydrate is called a

Accepted Answer

saccharide

Question 26

Which of the following release a hydrogen ion and are positively charged

Accepted Answer

acids

Question 27

All the following statements about carbohydrates are true EXCEPT

Accepted Answer

contain combination of carbon, hydrogen and nitrogen chains

Question 28

What is the liquid part of a solution called

Accepted Answer

slovent

Question 29

The process of a solid or gas changing states without becoming a liquid is known as

Accepted Answer

sublimation

Question 30

The solid or dissolved part of a solution is called the

Accepted Answer

solute

Question 31

All of the following statements about solutions are true EXCEPT;

Accepted Answer

The solid part is called the solvent

Question 32

The type of chemistry that deals with matter that was never living and does not contain carbon

Accepted Answer

inorganic chemistry

Question 33

All the following statements about amino acids are true EXCEPT

Accepted Answer

they dissolve and break down large molecules

Question 34

which are materials that dissolve and break down large molecules into smaller smaller ones

Accepted Answer

enzymes

Question 35

Which of following allow the suspension of small particle solids in a base to prevent settling

Accepted Answer

thickeners

Question 36

What is the even dispersion of a solid substance in a liquid base called?

Accepted Answer

suspension

Question 37

Which Ingredient listed below is compatible with both water and oil

Accepted Answer

emulsifier

Question 38

The product, which is a finely ground solid that is mixed evenly with additional ingredients

Accepted Answer

powders

Question 39

the following terms identifies unit of measure /indicates substance is acidic,neutral,alkaline

Accepted Answer

pH

Question 40

What types of atoms are not missing any electrons in their outermost orbit shell

Accepted Answer

stable atoms

Ch 7 Chemistry

Questions 40

Ch 7 Chemistry

Questions 40