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photochemical reaction
Table of Contents
References & Edit History Related Topics
Images & Videos
chain of fluorescent tunicates
How to prevent beer from skunking
ozone depletion making a microchip
Inside the body: From radioactive tracers to fluorescent proteins
ozone chemistry structure of the retina
For Students
photochemical reaction summary
Quizzes
A person's hand pouring blue fluid from a flask into a beaker. Chemistry, scientific experiments, science experiments, science demonstrations, scientific demonstrations.
Ins and Outs of Chemistry
Double exposure of science laboratory test tubes with bokeh and chemical reaction
Types of Chemical Reactions
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Chlorophyll pigment in chloroplasts within plant cells. Microscopic organelles photosynthesis green
What did Jan Ingenhousz discover about photosynthesis?
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Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.
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Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution
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photochemical reaction: Media

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Videos

How to prevent beer from skunking
Understand why beer skunks, or spoils, the role light plays in this, and how to prevent...
Video: © American Chemical Society (A Britannica Publishing Partner)
Inside the body: From radioactive tracers to fluorescent proteins
Learn how Georg Charles von Hevesy developed the technology to see inside veins and...
Video: © American Chemical Society (A Britannica Publishing Partner)

Images

chain of fluorescent tunicates
Chain of fluorescent tunicates.
Francis Abbott/Nature Picture Library
ozone depletion
Antarctic ozone hole, September 17, 2001.
NASA/Goddard Space Flight Center
making a microchip
The sequence of operations in making one type of integrated circuit, or microchip,...
Encyclopædia Britannica, Inc.
ozone chemistry
Schematic view of ozone chemistry in a pure oxygen environment. Ultraviolet light...
Encyclopædia Britannica, Inc.
structure of the retina
Structure of the retina.
Encyclopædia Britannica, Inc.
VIEW MORE in these related Britannica articles: