MIDTERMS | Practical Applications in Chemistry

Question 1

A _______ _______ is a prepared or purified substance whose properties best suit a specific purpose.

Answer 1

Synthetic Chemical

Question 2

_________ are synthetic, water-soluble cleansing agents with wetting and emulsifying properties. They contain sodium salts of strong acids derived from petroleum or coal.

Answer 2

Detergents

Question 3

____ is a salt composed of sodium or potassium ions paired with long hydrocarbon chain fatty acids, which can be prepared from vegetable oils or animal
fats.

Answer 3

Soap

Question 4

____ ____ are made with potassium hydroxide (KOH). They are made using vegetable oils and other polyunsaturated triglycerides.

Answer 4

Soft Soaps

Question 5

____ ____ is made using sodium hydroxide (NaOH). They are good cleansers in hard water that contains magnesium, chloride and calcium ions

Answer 5

Hard Soap

Question 6

The properties of muriatic acid which is __________ ____ are ideal for cleaning since it is a strong acid that can remove dirt and grime from toilets and sinks and can even remove rust from metals.

Answer 6

Hydrochloric Acid (HCl)

Question 7

_____ helps clean and whiten surfaces by generally lowering the stability of the chemical bonds in stain molecules.

Answer 7

Bleach

Question 8

What are the two most common bleaching agents?

Answer 8

Sodium Hypochlorite and Hydrogen Peroxide

Question 9

What is a common moisturizing agent that helps provide hydration and gives the smooth feel of the skin?

Answer 9

Glycerin

Question 10

Anti-decay toothpastes contain ________ compounds to help stave off cavities in teeth.

Answer 10

Fluorine

Question 11

____ __ is a general term for products applied externally to the face. It includes lipstick and foundations.

Answer 11

Make up

Question 12

______ _________ are used to simply cleanse your skin, especially the face. They contain surfactants, which removes unwanted substances and particles from the outermost layer of the skin.

Answer 12

Facial cleansers

Question 13

The ______ __________ is the component of a product which directly enables it to serve its purpose.

Answer 13

Active Ingredient

Question 14

The _____ __________ refers to all the other substances in a product. An _____ __________ does not affect the action of the active ingredient.

Answer 14

Inert Ingredient