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Author Question: Aluminum is more reactive than iron is, but iron corrodes more quickly. This occurs because A) ... (Read 93 times)

FButt

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on: Aug 27, 2018
Aluminum is more reactive than iron is, but iron corrodes more quickly. This occurs because
 
  A) aluminum is reduced in the presence of oxygen while iron is oxidized.
  B) aluminum develops a coating of aluminum oxide, which protects it from further reaction.
  C) iron is exposed to both oxygen and water, while aluminum is rarely exposed to water.
  D) iron has a lower density than aluminum does.

Question 2

In the production of iron, coke is used. Coke is
 
  A) previously heated limestone.
  B) previously heated coal.
  C) black water formed from mixing coal and water.
  D) a mineral containing a variety of metals.


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Kedrick2014

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


FButt

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Reply 2 on: Aug 27, 2018
Gracias!

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Reply 3 on: Yesterday
Excellent

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