Chemicals with Negative Impact on the Environment
This gas occurs naturally. It is essential for life & helps keep the earth warm, but too much of this gas is not good.
Carbon dioxide
Everything is made up of ...
Chemicals
Acidity
The point when the substance begins to melt
Melting point
Burning ...
Fossil fuels
About 10% of greenhouse gas emission is from this gas.
Methane
Photosynthesis
The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy
How easily a chemical will burn, or ignite.
Flammability
What does it feel like?
Texture
We use these to move from place to place each day.
Cars
Atrazine
Acid
a substance with a pH less than 7
How dangerous a chemical is to a person's health
Toxicity
A rock that contains CO2 & releases the gas when it is broken down.
Limestone
This chemical was used for refrigeration fluid, but was banned.
Carbon tetrafluoride
Base
A substance with a pH higher than 7
The ability of a chemical to react with another chemical.
Reactivity
The ability to pass an electrical current
Conductivity
The process of breaking down dead organic substances
Decomposition
What group of chemicals destroy the Earth's ozone layer?
CFC's
Neutralization
a chemical reaction when an acid & base 'equal' each other
How stable a chemical is in a particular environment.
Chemical stability
Does it dissolve?
The process of organisms using oxygen & glucose for energy.
Cellular respiration