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chemestry
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ChaptCHEM100 FALL 2003 STUDY GUIDE FOR EXAM 3 Chapter 11 1. Know the composition of typical rocks (silicates, oxides, sulfides). 2. Know the most abundant element on Earth. - Oxygen 3. Understand how oxidation and reduction is used to smelt a metal from a rock. 4. Know the advantages of recycling. - Reduces energy and reduces air and water pollution Chapter 12 1. Know the composition of unpolluted air. -Oxygen, nitrogen, argon & carbon dioxide. 2. Know the components of industrial smog and photochemical smog. -Industrial- Smoke, fog, sulfur dioxide, and particular matter such as ash and soot -Photochemical- Unburned hydrocarbons and nitrogen oxides. 3. Know the sources of natural pollution and its components -Wildfires, Windblown dust and volcanic eruptions 4.
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Paper Information
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Title: chemestry
Words: 573
Rating: None
Pages: 2.3
submitted by: abcd123
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