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Question 1: What does the following picture show?

  Illustration of a redox reaction
  Illustration of a redox reaction
  A uranium mine, near Moab, Utah. Note alternating red and white/green sandstone. This corresponds to oxidized and reduced conditions in groundwater redox chemistry. The rock forms in oxidizing conditions, and is then "bleached" to the white/green state when a reducing fluid passes through the rock. The reduced fluid can also carry uranium-bearing minerals.
  The two parts of a redox reaction

Question 2: What does the following picture show?

  Iron rusting in pyrite cubes
  A uranium mine, near Moab, Utah. Note alternating red and white/green sandstone. This corresponds to oxidized and reduced conditions in groundwater redox chemistry. The rock forms in oxidizing conditions, and is then "bleached" to the white/green state when a reducing fluid passes through the rock. The reduced fluid can also carry uranium-bearing minerals.
  A uranium mine, near Moab, Utah. Note alternating red and white/green sandstone. This corresponds to oxidized and reduced conditions in groundwater redox chemistry. The rock forms in oxidizing conditions, and is then "bleached" to the white/green state when a reducing fluid passes through the rock. The reduced fluid can also carry uranium-bearing minerals.

Question 3: ________, for instance, is the oxidation of glucose (C6H12O6) to CO2 and the reduction of oxygen to water.
GlycolysisProteinCellular respirationMetabolism

Question 4: Electropositive elemental metals, such as lithium, sodium, magnesium, iron, zinc, or ________, are good reducing agents.
TitaniumAluminiumCopperGold

Question 5: In general, the electron donor is any of a wide variety of flavoenzymes and their ________.
Adenosine triphosphateMetalloproteinNicotinamide adenine dinucleotideCofactor (biochemistry)

Question 6: For example, when ________(II) reacts with sodium bismuthate:
ZincManganeseTitaniumChromium

Question 7: For example, in the reaction between iron and ________ solution:
Potassium permanganateEthanolSodium nitriteCopper(II) sulfate

Question 8: The oxidation of iron(II) to iron(III) by ________ in the presence of an acid:
Hydrogen peroxideEthanolChlorhexidineAntiseptic

Question 9: The primary process of reducing ore to produce metals is discussed in the article on ________.
MetallurgyIronBlast furnaceSmelting

Question 10: What does the following picture show?

  A uranium mine, near Moab, Utah. Note alternating red and white/green sandstone. This corresponds to oxidized and reduced conditions in groundwater redox chemistry. The rock forms in oxidizing conditions, and is then "bleached" to the white/green state when a reducing fluid passes through the rock. The reduced fluid can also carry uranium-bearing minerals.
  A uranium mine, near Moab, Utah. Note alternating red and white/green sandstone. This corresponds to oxidized and reduced conditions in groundwater redox chemistry. The rock forms in oxidizing conditions, and is then "bleached" to the white/green state when a reducing fluid passes through the rock. The reduced fluid can also carry uranium-bearing minerals.
  Iron rusting in pyrite cubes
  Illustration of a redox reaction







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