Chemistry

Question 1

What is Inorganic chemistry?

Answer 1

The study of all substances that do not contain carbon
Ex: water, air, iron, etc

Question 2

What is Matter?

Answer 2

Any substance that occupies space and has mass, contains physical & chemical properties, nad exists in solid, liquid, and gas forms

Question 3

What are Elements?

Answer 3

1. Simplest form of chemical matter
2. Cannot be broken down into a simpler substance without a loss of identity

Question 4

Can atoms be divided into simpler substances?

Answer 4

Atoms cannot be divided into simpler substances by ordinary chemical means

Question 5

What are molecules?

Answer 5

When two or more atoms are joined together chemically

Question 6

What are Compound molecules?

Answer 6

Chemical compounds of two or more atoms of different elements in fixed proportions

Question 7

What are Oxides?

Answer 7

Compounds in which an element combines with oxygen

Question 8

What are Acids?

Answer 8

Compounds consisting of hydrogen, a non-metal (such as nitrogen), a metal, and oxygen

Question 9

What are Bases?

Answer 9

Compounds consisting of hydrogen, a metal, and oxygen

Question 10

What are Salts?

Answer 10

Formed by a reaction of an acid and a base

Question 11

What are physical properties and how are they determined?

Answer 11

Density, specific gravity, odor, color, and taste
Determined without chemical reaction

Question 12

What is water?

Answer 12

Most abundant of all pure substances. Contains dissolved minerals and bacteria. Water that contains minerals will conduct electricity. Distilled water will not. Water is a colorless and tasteless liquid

Question 13

What is the universal solvent and why?

Answer 13

Water is known as the universal solvent because it has the ability to dissolve more substances than any other solvent

Question 14

What is the pH of skin?

Answer 14

• The acid mantle ranges between 4.5-6.2 (5.5 avg)
• Only products that contain water have a pH
• Some products will have ingredients to naturally balance the skin’s pH, other lines will incorporate toners to perform the balancing function

Question 15

What is the Acid Mantle Barrier?

Answer 15

• The skin’s natural protective barrier
  -The acid mantle runs at an acidic range to protect the body from potential exposure to pathogens. Clean, unbroken skin is the body’s first line of defense against bad bacteria, injury, and disease

Question 16

What is the pH range for Acids?

Answer 16

0-6 (below 7)

Question 17

What is the pH for Neutral?

Answer 17

7

Question 18

What is the pH range for Alkaline?

Answer 18

8-14 (above 7)

Question 19

What does pH stand for?

Answer 19

Potential Hydrogen

Question 20

What are solutions?

Answer 20

A mixture of solutes and solvents that do not separate

Question 21

What is a suspension?

Answer 21

Liquid mixture of immiscible material. The molecules do not intermix, but rather separate. If the particles are large, it’s a suspension. If the particles are small, it’s a colloid.

Question 22

What is an Emulsion?

Answer 22

Mixture of two or more immiscible substances with the help of a binder (emulsifier) (ingredient used to stabilize the bond of other ingredients). Eventually this mixture will separate over time.

Question 23

What are Miscible liquids?

Answer 23

Mutually soluble, meaning that they can be mixed together to form solutions

Question 24

oil droplets dispersed in water are what kind of emulsion?

Answer 24

oil-in-water emulsion