Chemistry
What is the definition of chemistry
The study of substance and their interactions
What are the two main types of chemistry
Inorganic and organic
Water is an organic substance (T or F)
False - Plastic
What is an emulsion?
A mixture of two immiscible substances stabilized by an emulsifier
What does oxidation involve?
The loss of electrons
Carbon is the foundation of organic chemistry? ( T or F)
True
Melting Ice would be an example of a physical change ( T or F)
True
What pH range does healthy skin typically fall within
4.5 to 5.5
What is a surfactant’s primary role in a product?
To reduce surface tension, and mix water and oil
What is an example of an antioxidant in skin care that’s known for brightening skin
Vitamin C
What is an atom?
The smallest unit of matter
What is a molecule?
A combination of two or more atoms
Is soap and alkaline solution? Yes or No
Yes
What is an example of a water in oil emulsion
Moisturizer cream
What are free radicals
Molecules with an unpaired electron that cause cell damage
Plasma is a state of matter? (T or F)
False - Gasoline
What is PH a measure of?
Acidity or Alkalinity
What is a solvent?
A substance that dissolves another substance
What is the function of humectant in Skin Care?
To absorb moisture from the air
What is the role of preservations in cosmetic product
To extend the shelf life of the product
What happens during a chemical change?
A new substance is formed
What is the pH range of acidic substances?
0 to 7
What is the most common solvent and skin care products?
Water
What does, “miscible” mean in chemistry
Substances that mix easily
What type of reaction occurs when two substances are combined to form a new substance
Chemo al reaction