Chemistry
What element is absent from the compounds studied in inorganic chemistry?
Carbon
What is any substance that is dissolved by a solvent to form a solution?
Solute
What is reduction?
Loss of oxygen or addition of hydrogen
What is the skins natural ph
4.5-5.5
What temperature does water boil
212
Describe hydrogen
Colorless, odorless, tasteless gas. The lightest element known
What are suspensions
Unstable mixtures of 2 or more immiscible substances
Metals, miner,glass, and pure water are all
Inorganic
What term refers to the substance below 7.0 pH
Acid
What is the term the refers to matter in its 3 physical forms
States of matter
What element is found in all living things whether they are plants or animals?
Carbon
What do antioxidants prevent by neutralizing free radicals
Oxidation
What time of neutralization reaction forms water and salt
acid-alkali
Define pH
How much of the earths surface is water
75%
What is the study of substances that contain carbon
Organic chemistry
How is water important sin skin care
Replenishing moisture, helps keep ingredients in solution, helps spread products
What branch of chemistry will burn and is flammable
Organic
What are Substances above a 7.0 pH
Alkaline
What atoms make up water
H2O 2 part hydrogen and 1 part oxygen
Describe oxygen
The most abundant element On earth
Carbon dioxide is made from
Co2 1 part carbon 2 parts oxygen
Gasoline, plastics, synthetic fabrics, pesticides and fertilizers are all
Organic substances
Waters freezing point
32
Describe nitrogen
Colorless gaseous element that makes up four faiths of our air