CHEM-105, Visualizing Chemistry
Quiz 3, September 20, 2001

1. The two metals that are found in brass are zinc and:

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2. When the equation Mg + O --> MgO, is balanced, the coeffecient in front of Mg is:

   A. 2
   B. 3
   C. 4
   D. 5
   E. Left blank

3. The product formed from the reaction of H₂ with O₂ is:

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4. When the equation K + H₂O --> KOH + H₂, is balanced, the coeffecient in front of H₂ is:

   A. 2
   B. 3
   C. 4
   D. 5
   E. Left blank

5. A metal that will burn in Carbon Dioxide is:

   A. Iron
   B. Aluminum
   C. Magnesium
   D. Zinc
   E. Gold

6. The gas with the greatest buoyancy is:

   A. Hydrogen
   B. Carbon Dioxide
   C. Nitrogen
   D. Helium
   E. Oxygen

University of Wisconsin-Stout
Department of Chemistry
Jarvis Hall 303I Science Wing
Menomonie, WI 54751
(715)-232-2292
ondrusm@uwstout.edu