Vocabulary 1
A measure of the concentration of hydrogen ions in a solution.
What is pH
Median Lethal Dose. This is the dose at which 50% of the test population dies.
What is LD50
A compound that dissolves in water to form a solution with a pH lower than 7.
What is Acid
Carcinogen, mutagen, reproductive hazard
A compound that dissolves in water to form a solution with a pH higher than 7.
What is Base
The process by which bacteria change free nitrogen so that nitrogen atoms can combine with other elements to form compounds that organisms can use.
What is Nitrogen Fixation
Which is the greenest solvent?
What is Water
Any change in the environment that produces a condition that is harmful to living things, eg. smog.
What is Pollution
Persistence, bio-accumulation, toxicity.
What is PBT
A substance that enriches soil so that plants will grow better.
What is Fertilizer
Chemicals used to kill or control fungi.
What is Fungicides
What was the key point of the Pollution Prevention Act of 1990 as it relates to green chemistry?
What is Source Reduction
Wastewater containing dissolved and undissolved materials from your kitchen, bathroom and laundry.
What is Sewage
GHG stands for...
Underground container where bacteria break down the organic materials before they are moved out to the soil.
What is Septic Tank
Chemicals used to kill pests.
What is Pesticides
What is the breakup within a compound due to microbial activity?
What is Microbial degradation
Chemicals used to control weeds.
What is Herbicides
What two parameters determine the rist of having adverse effect due to a chemical substance?
What is hazard and exposure
Chemicals used to kill or control insencs.
What is insecticides
Natural gas that contains hydrogen sulfide.
What is Sour Gas
What is dose, chemical structure, exposure type, and subject
Fuels such as coal, oil and natural gas that are formed from dead plants and animals over millions of years.
What is Fossil Fuels
What is the U.S. Presidential Green Chemistry Challenge Award
Treats wastes from homes, businesses, industries and institutions.
What is Sewage Treatment Plant