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Ozone holes appear in polar regions during the spring when ozone destroying chlorine atoms?
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Where does chlorine form in an electrolytic cell during the electrolysis of molten Na Cl?
Chlorine is released as a gas (diatomic molecule Cl2).
What is added to drinking water to kill the bacteria in it?
Bacteria (usually) can be killed with ordinary soap or diluted cholrine bleach.
What does common salt break into during electrolysis of its solution?
The products of the electrolysis are sodium hydroxide and chlorine.
In what war was chlorine gas first used as a weapon?
Invented by French chemist Claude Berthollet, chlorine gas was first used as a weapon by the military during the first World War in 1914. Chlorine gas was first used as a disarming weapon, and later as a fatal poison.
During active transport substances move from regions of what?
in active transport, where do molecules always go
Why does CFC react to ozone?
Chlorine and bromine separate from the CFCs (chlorofluorocarbons) and destroy the ozone molecules. The chlorine and bromine atoms are not changed, so they continue destroying ozone. One chlorine atom can destroy up to 100,000 molecules of ozone during its lifetime in the atmosphere.
What is the role of KMnO4 during the distillation?
Destroying of organic impurities.
What are transferred during a combination reaction between Na and chlorine?
Electrons are transferred from sodium atoms to chlorine atoms.
When are the polor regions cold?
The polar regions of the world are always cold during the year.
What are The regions of the gene that are eliminated are called?
During mRNA processing, non-coding regions of the transcript are spliced out. These regions are called introns. Coding regions are called exons.
Where does chlorine form in an electrolytic cell during the electrolysis of molten Na Cl?
Chlorine is released as a gas (diatomic molecule Cl2).
What poison gas was used during World War 1?
Chlorine
Does sperm die as soon as its in chlorine?
Yes, sperm doesn't last long even during intercourse. So in Chlorine it dies instantly.
What 3 elements make up CFC's?
The acronym CFC means carbon, fluorine and chlorine which makes up the organic compounds for what is also called Freon. Freon is a trademark of the du Pont de Nemours & Company which was originally developed as a refrigerant during the 1930s.
What is used to moved the water along during the purification process?
chlorine and fluoride
Why is chlorine added during water treatment?
so the pool doesnt get gross
How many people did chlorine gas kill during the battle of Ypres?
a lot
